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U.S. X-Planes - Developments and Concepts

A nation never short on dreamers, the United States has done much to push the envelope of flight in the last century - a tradition that continues today.

U.S. X-Planes - Developments and Concepts

A nation never short on dreamers, the United States has done much to push the envelope of flight in the last century - a tradition that continues today.

OVERVIEW



There are a total of 211 U.S. X-Planes - Developments and Concepts in the Military Factory. Entries are listed below by initial year of flight descending.





#1
1944
National Flag Graphic
Picture of the Beechcraft XA-38 Grizzly / Destroyer
Beechcraft XA-38 Grizzly / Destroyer
Tactical / Heavy Attack Aircraft Prototype
#2
2006
National Flag Graphic
Picture of the Bell ARH-70 (Arapaho)
Bell ARH-70 (Arapaho)
Armed Reconnaissance Light Helicopter
#3
1961
National Flag Graphic
Picture of the Bell D-188 (XF3L / XF-109)
Bell D-188 (XF3L / XF-109)
Vertical Take-Off and Landing (VTOL) Supersonic Multirole Aircraft Proposal
#4
1950
National Flag Graphic
Picture of the Bell D-36
Bell D-36
All-Weather Heavy Fighter / Night-Fighter Aircraft Proposal
#5
1962
National Flag Graphic
Picture of the Bell Model 533 (High Performance Helicopter)
Bell Model 533 (High Performance Helicopter)
Experimental / Research Helicopter
ADVERTISEMENTS
#6
1945
National Flag Graphic
Picture of the Bell P-59 Airacomet
Bell P-59 Airacomet
Jet-Powered Fighter Aircraft
#7
2020
National Flag Graphic
Picture of the Bell V-280 Valor
Bell V-280 Valor
3rd Generation Tiltrotor Technology Demonstrator
#8
1947
National Flag Graphic
Picture of the Bell X-1
Bell X-1
Supersonic Experimental Aircraft
#9
1957
National Flag Graphic
Picture of the Bell X-14 (Type 68)
Bell X-14 (Type 68)
Experimental VTOL Aircraft
#10
1955
National Flag Graphic
Picture of the Bell X-2 (Starbuster)
Bell X-2 (Starbuster)
Experimental Research Aircraft
#11
1951
National Flag Graphic
Picture of the Bell X-5
Bell X-5
Jet-Powered Technology Demonstrator Fighter Aircraft
#12
1940
National Flag Graphic
Picture of the Bell XFL Airabonita
Bell XFL Airabonita
Carrierborne Interceptor
#13
1937
National Flag Graphic
Picture of the Bell XFM Airacuda
Bell XFM Airacuda
Bomber Interceptor / Bomber Destroyer / Heavy Fighter
#14
1940
National Flag Graphic
Picture of the Bell XP-52 (Model 16)
Bell XP-52 (Model 16)
Twin-Boom Single-Seat Heavy Fighter Proposal
#15
1943
National Flag Graphic
Picture of the Bell XP-59 (Model 20)
Bell XP-59 (Model 20)
Twin-Boom Fighter Proposal
#16
1944
National Flag Graphic
Picture of the Bell XP-77
Bell XP-77
Fighter Prototype Aircraft
#17
1945
National Flag Graphic
Picture of the Bell XP-83
Bell XP-83
Jet-Powered Escort Fighter Aircraft Prototype
#18
1997
National Flag Graphic
Picture of the Boeing (McDonnell Douglas) X-36
Boeing (McDonnell Douglas) X-36
Unmanned Fighter Technology Demonstrator
#19
2004
National Flag Graphic
Picture of the Boeing / Sikorsky RAH-66 Comanche
Boeing / Sikorsky RAH-66 Comanche
Reconnaissance / Light Attack Helicopter
#20
1937
National Flag Graphic
Picture of the Boeing B-17 Flying Fortress
Boeing B-17 Flying Fortress
Four-Engined Heavy Bomber Aircraft
#21
1947
National Flag Graphic
Picture of the Boeing B-54 (Ultrafortress)
Boeing B-54 (Ultrafortress)
Four-Engine, High-Altitude, Long-Range Heavy Bomber Proposal
#22
1996
National Flag Graphic
Picture of the Boeing Bird of Prey
Boeing Bird of Prey
Stealth Aircraft Technology Demonstrator
#23
2015
National Flag Graphic
Picture of the Boeing F/A-18 Advanced Super Hornet
Boeing F/A-18 Advanced Super Hornet
Carrier-Based Strike Fighter Aircraft Prototype
#24
1971
National Flag Graphic
Picture of the Boeing Model 2707
Boeing Model 2707
Supersonic Passenger Transport
#25
2024
National Flag Graphic
Picture of the Boeing MQ-25 Stingray
Boeing MQ-25 Stingray
Carrierbased Unmanned Tanker Aircraft Proposal
#26
1983
National Flag Graphic
Picture of the Boeing Skyfox
Boeing Skyfox
Advanced Jet Trainer Proposal
#27
2000
National Flag Graphic
Picture of the Boeing X-32 JSF (Joint Stike Fighter)
Boeing X-32 JSF (Joint Stike Fighter)
Technology Demonstrator
#28
2002
National Flag Graphic
Picture of the Boeing X-45
Boeing X-45
Unmanned Combat Air Vehicle (UCAV) Prototype
#29
2007
National Flag Graphic
Picture of the Boeing X-48
Boeing X-48
Experimental Blended Wing Body (BWB) Drone
#30
2010
National Flag Graphic
Picture of the Boeing X-51 (Waverider)
Boeing X-51 (Waverider)
Scramjet Technology Demonstrator
#31
2006
National Flag Graphic
Picture of the Boeing X-53 AAW (Active Aeroelastic Wing)
Boeing X-53 AAW (Active Aeroelastic Wing)
Experimental Aircraft
#32
1937
National Flag Graphic
Picture of the Boeing XB-15 (XBLR-1 / Grandpappy)
Boeing XB-15 (XBLR-1 / Grandpappy)
Long Range Heavy Bomber Prototype
#33
1943
National Flag Graphic
Picture of the Boeing XB-38 Flying Fortress
Boeing XB-38 Flying Fortress
Strategic Heavy Bomber Aircraft Prototype
#34
1944
National Flag Graphic
Picture of the Boeing XB-39 (Spirit of Lincoln)
Boeing XB-39 (Spirit of Lincoln)
Heavy Strategic Bomber Prototype Aircraft
#35
1947
National Flag Graphic
Picture of the Boeing XB-55
Boeing XB-55
Strategic Bomber Proposal
#36
1949
National Flag Graphic
Picture of the Boeing XB-59
Boeing XB-59
Supersonic Medium Jet Bomber Proposal
#37
1944
National Flag Graphic
Picture of the Boeing XF8B
Boeing XF8B
Carrier-Based Long-Range Fighter Prototype
#38
1928
National Flag Graphic
Picture of the Boeing XP-8
Boeing XP-8
Prototype Fighter
#39
1938
National Flag Graphic
Picture of the Boeing Y1B-20
Boeing Y1B-20
Experimental Heavy Bomber Aircraft
#40
1943
National Flag Graphic
Picture of the Boeing YB-40 Flying Fortress
Boeing YB-40 Flying Fortress
Bomber Escort Prototype Aircraft
#41
1931
National Flag Graphic
Picture of the Boeing YB-9 (Death Angel)
Boeing YB-9 (Death Angel)
Prototype Monoplane Bomber
#42
1976
National Flag Graphic
Picture of the Boeing YC-14 (Model 953)
Boeing YC-14 (Model 953)
Tactical Airlifter Transport Aircraft Prototype
#43
2023
National Flag Graphic
Picture of the Boeing-Saab T-X
Boeing-Saab T-X
5th Generation Advanced Jet Trainer Aircraft Prototype
#44
1943
National Flag Graphic
Picture of the Brewster XA-32
Brewster XA-32
Ground Attack / Dive Bomber Aircraft Prototype
#45
1947
National Flag Graphic
Picture of the Consolidated Vultee Downey
Consolidated Vultee Downey
Penetration Fighter Proposal
#46
1942
National Flag Graphic
Picture of the Consolidated XB-41 Liberator
Consolidated XB-41 Liberator
Bomber Escort Prototype Aircraft
#47
1953
National Flag Graphic
Picture of the CONVAIR F2Y Sea Dart
CONVAIR F2Y Sea Dart
Seaplane Fighter Prototype Aircraft
#48
1949
National Flag Graphic
Picture of the CONVAIR Skate
CONVAIR Skate
Seaplane Fighter / Flying Boat Fighter / Interceptor
#49
1949
National Flag Graphic
Picture of the CONVAIR XA-44 (XB-53)
CONVAIR XA-44 (XB-53)
Attack Platform / Medium Bomber Proposal
#50
1947
National Flag Graphic
Picture of the CONVAIR XB-46
CONVAIR XB-46
Jet-Powered Medium Bomber Prototype
#51
1954
National Flag Graphic
Picture of the CONVAIR XFY Pogo
CONVAIR XFY Pogo
Experimental Vertical Take-Off and Landing (VTOL) Fighter Prototype
#52
1911
National Flag Graphic
Picture of the Curtiss A-1 Triad (Model E)
Curtiss A-1 Triad (Model E)
Experimental Navy Floatplane Aircraft
#53
1945
National Flag Graphic
Picture of the Curtiss P-304
Curtiss P-304
Single-Seat, Single-Engine Jet-Powered Fighter Proposal
#54
1948
National Flag Graphic
Picture of the Curtiss Proposal II
Curtiss Proposal II
Research Aircraft
#55
1916
National Flag Graphic
Picture of the Curtiss Wanamaker (Model T / Model 3)
Curtiss Wanamaker (Model T / Model 3)
Four-Engine Triplane Flying Boat Aircraft
#56
1944
National Flag Graphic
Picture of the Curtiss XF14C
Curtiss XF14C
Carrier-Borne Fighter Prototype
#57
1945
National Flag Graphic
Picture of the Curtiss XF15C
Curtiss XF15C
Mixed-Propulsion Navy Fighter Prototype
#58
1932
National Flag Graphic
Picture of the Curtiss XP-31 Swift
Curtiss XP-31 Swift
Single-Seat Monoplane Fighter Prototype
#59
1937
National Flag Graphic
Picture of the Curtiss XP-37 (Allison Hawk)
Curtiss XP-37 (Allison Hawk)
Fighter Prototype
#60
1943
National Flag Graphic
Picture of the Curtiss XP-40Q (Warhawk)
Curtiss XP-40Q (Warhawk)
Single-Seat Monoplane Fighter Prototype Aircraft
#61
1939
National Flag Graphic
Picture of the Curtiss XP-42
Curtiss XP-42
Prototype Fighter Aircraft
#62
1941
National Flag Graphic
Picture of the Curtiss XP-46
Curtiss XP-46
Fighter Aircraft Prototype
#63
1940
National Flag Graphic
Picture of the Curtiss XP-53 (Model 88)
Curtiss XP-53 (Model 88)
Lightweight Monoplane Fighter Proposal
#64
1941
National Flag Graphic
Picture of the Curtiss XP-60
Curtiss XP-60
Single-Seat, Single-Engine Prototype Fighter Aircraft
#65
1943
National Flag Graphic
Picture of the Curtiss XP-62
Curtiss XP-62
Single-Seat, Single-Engine Fighter Aircraft Prototype
#66
1943
National Flag Graphic
Picture of the Curtiss-Wright XP-55 Ascender
Curtiss-Wright XP-55 Ascender
Single-Seat, Single-Engine Pursuit Fighter Prototype
#67
1943
National Flag Graphic
Picture of the Curtiss-Wright XP-71
Curtiss-Wright XP-71
Twin-Engine Heavy Fighter / Bomber Escort Aircraft
#68
1948
National Flag Graphic
Picture of the Curtiss-Wright XP-87 / XF-87 Blackhawk
Curtiss-Wright XP-87 / XF-87 Blackhawk
Prototype Interceptor / Night-Fighter Aircraft
#69
2010
National Flag Graphic
Picture of the DARPA Falcon HTV-2
DARPA Falcon HTV-2
Experimental Hypersonic Test Vehicle
#70
2012
National Flag Graphic
Picture of the DARPA KQ-X (Global Hawk)
DARPA KQ-X (Global Hawk)
Unmanned Aerial Refueling Tanker Demonstrator Vehicle
#71
1921
National Flag Graphic
Picture of the Davis-Douglas Cloudster
Davis-Douglas Cloudster
Two-Seat Single-Engine Long-Range Biplane Aircraft
#72
1923
National Flag Graphic
Picture of the Dayton-Wright PS-1
Dayton-Wright PS-1
Single-Seat Monoplane Interceptor Aircraft
#73
1954
National Flag Graphic
Picture of the Douglas A2D Skyshark
Douglas A2D Skyshark
Prototype Carried-Based Attack Aircraft
#74
1947
National Flag Graphic
Picture of the Douglas D-558-1 Skystreak (Phase 1)
Douglas D-558-1 Skystreak (Phase 1)
Experimental Research Aircraft
#75
1948
National Flag Graphic
Picture of the Douglas D-558-2 Skyrocket (Phase 2)
Douglas D-558-2 Skyrocket (Phase 2)
Experimental High-Speed Research Platform
#76
1956
National Flag Graphic
Picture of the Douglas F5D Skylancer
Douglas F5D Skylancer
Fighter Prototype / Technology Demonstrator Aircraft
#77
1944
National Flag Graphic
Picture of the Douglas Model 423
Douglas Model 423
Heavy Bomber Design Proposal
#78
1952
National Flag Graphic
Picture of the Douglas X-3 (Stiletto)
Douglas X-3 (Stiletto)
Research Aircraft
#79
1941
National Flag Graphic
Picture of the Douglas XB-19 (XBLR-2)
Douglas XB-19 (XBLR-2)
Experimental Heavy Bomber Aircraft
#80
1944
National Flag Graphic
Picture of the Douglas XB-31 (Raidmaster) (Model 332)
Douglas XB-31 (Raidmaster) (Model 332)
Super-Heavy Bomber Aircraft Design Proposal
#81
1944
National Flag Graphic
Picture of the Douglas XB-42 Mixmaster
Douglas XB-42 Mixmaster
Experimental Pusher Bomber Aircraft
#82
1946
National Flag Graphic
Picture of the Douglas XB-43 Jetmaster
Douglas XB-43 Jetmaster
Experimental Bomber Aircraft
#83
1940
National Flag Graphic
Picture of the Douglas XP-48
Douglas XP-48
Lightweight Single-Seat Point Defense Fighter Aircraft Proposal
#84
1945
National Flag Graphic
Picture of the Douglas XTB2D Skypirate
Douglas XTB2D Skypirate
Prototype Heavy Torpedo Bomber Aircraft
#85
1943
National Flag Graphic
Picture of the Fisher XP-75 / P-75 Eagle
Fisher XP-75 / P-75 Eagle
Interceptor Prototype
#86
2018
National Flag Graphic
Picture of the General Atomics MQ-25 Stingray
General Atomics MQ-25 Stingray
Unmanned Aerial Tanker Aircraft / Drone Proposal
#87
2020
National Flag Graphic
Picture of the General Atomics Sea Avenger
General Atomics Sea Avenger
Unmanned Carrier-Launched Airborne Surveillance and Strike (UCLASS) Vehicle
#88
1982
National Flag Graphic
Picture of the General Dynamics F-16XL
General Dynamics F-16XL
Technology Demonstrator / Research Aircraft
#89
1945
National Flag Graphic
Picture of the Goodyear F2G Super Corsair
Goodyear F2G Super Corsair
Carrier-based Low-Altitude, High-Performance Fighter Prototype
#90
1950
National Flag Graphic
Picture of the Goodyear GA-17
Goodyear GA-17
All-Weather Heavy Fighter / Night-Fighter Aircraft Proposal
#91
1953
National Flag Graphic
Picture of the Grumman Sapphire Cougar
Grumman Sapphire Cougar
Jet-Powered Carrierbased Fighter Proposal
#92
1982
National Flag Graphic
Picture of the Grumman X-29
Grumman X-29
Forward-Swept Wing Technology Demonstrator
#93
1952
National Flag Graphic
Picture of the Grumman XF10F Jaguar
Grumman XF10F Jaguar
Carrierborne Jet Fighter / Strike Fighter Prototype
#94
1940
National Flag Graphic
Picture of the Grumman XF5F Skyrocket
Grumman XF5F Skyrocket
Shipborne Navy Fighter Prototype
#95
1941
National Flag Graphic
Picture of the Grumman XP-50 (Skyrocket)
Grumman XP-50 (Skyrocket)
Twin-Engine Fighter Prototype Aircraft
#96
1945
National Flag Graphic
Picture of the Grumman XTB2F-1 (G-55)
Grumman XTB2F-1 (G-55)
Twin-Engine Carrierborne Navy Bomber Aircraft
#97
1945
National Flag Graphic
Picture of the Grumman XTSF-1 (G-66)
Grumman XTSF-1 (G-66)
Twin-Seat, Twin-Engine Carrierborne Torpedo Bomber Proposal
#98
1927
National Flag Graphic
Picture of the Huff-Daland XHB-1 Cyclops
Huff-Daland XHB-1 Cyclops
Heavy Bomber Prototype
#99
1935
National Flag Graphic
Picture of the Hughes H-1 (Hughes 1B)
Hughes H-1 (Hughes 1B)
Single-Seat, Single-Engine Racing Aircraft
#100
1945
National Flag Graphic
Picture of the Hughes H-4 Hercules (Spruce Goose)
Hughes H-4 Hercules (Spruce Goose)
Heavy-Lift Transport / Flying Boat Prototype
#101
1943
National Flag Graphic
Picture of the Hughes Model D-2 (XP-73 / XA-37)
Hughes Model D-2 (XP-73 / XA-37)
Heavy Fighter / Fighter-Bomber / Fast Reconnaissance Prototype
#102
1966
National Flag Graphic
Picture of the Hughes OH-6 Cayuse (Loach)
Hughes OH-6 Cayuse (Loach)
Light Observation / Attack Helicopter
#103
1946
National Flag Graphic
Picture of the Hughes XR-11 / XF-11
Hughes XR-11 / XF-11
Long-Range Photographic Reconnaissance Aircraft Prototype
#104
1943
National Flag Graphic
Picture of the Kaiser-Fleetwings BQ-2
Kaiser-Fleetwings BQ-2
Expendable Unmanned Assault Drone / Flying Bomb Prototype
#105
1942
National Flag Graphic
Picture of the Kaiser-Fleetwings XA-39
Kaiser-Fleetwings XA-39
Ground Attack Aircraft Proposal
#106
1945
National Flag Graphic
Picture of the Kaiser-Fleetwings XBTK
Kaiser-Fleetwings XBTK
Prototype Dive Bomber / Torpedo Bomber
#107
1927
National Flag Graphic
Picture of the Keystone XLB-3
Keystone XLB-3
Prototype Light Bomber Biplane
#108
1967
National Flag Graphic
Picture of the Lockheed AH-56 Cheyenne
Lockheed AH-56 Cheyenne
Two-Seat Dedicated Attack Helicopter Prototype
#109
1977
National Flag Graphic
Picture of the Lockheed Have Blue
Lockheed Have Blue
Stealth Technology Demonstrator / X-Plane
#110
1942
National Flag Graphic
Picture of the Lockheed L-133 Starjet
Lockheed L-133 Starjet
Single-Seat, Jet-Powered Fighter Proposal
#111
2021
National Flag Graphic
Picture of the Lockheed Martin / NASA LBFD (Low Boom Flight Demonstrator)
Lockheed Martin / NASA LBFD (Low Boom Flight Demonstrator)
Subsonic Boom Technology Demonstrator Aircraft
#112
2005
National Flag Graphic
Picture of the Lockheed Martin Polecat (P-175)
Lockheed Martin Polecat (P-175)
Unmanned Aerial Vehicle (UAV)
#113
1999
National Flag Graphic
Picture of the Lockheed Martin X-44 MANTA (Multi-Axis, No-Tail Aircraft)
Lockheed Martin X-44 MANTA (Multi-Axis, No-Tail Aircraft)
Tailless Combat Fighter Technology Demonstrator Proposal
#114
2013
National Flag Graphic
Picture of the Lockheed Martin X-56A (MUTT)
Lockheed Martin X-56A (MUTT)
Experimental Unmanned Aerial Vehicle (UAV)
#115
2018
National Flag Graphic
Picture of the Lockheed MQ-25 Stingray
Lockheed MQ-25 Stingray
Carrierborne Unmanned Fuel Delivery System Aircraft Proposal
#116
2030
National Flag Graphic
Picture of the Lockheed SR-72
Lockheed SR-72
Hypersonic Unmanned Reconnaissance Aircraft
#117
2025
National Flag Graphic
Picture of the Lockheed TR-X
Lockheed TR-X
Unmanned Stealth Aircraft Proposal
#118
1943
National Flag Graphic
Picture of the Lockheed XB-30 (Model L-249)
Lockheed XB-30 (Model L-249)
Four-Engined Heavy Bomber Aircraft Proposal
#119
1954
National Flag Graphic
Picture of the Lockheed XFV (Salmon)
Lockheed XFV (Salmon)
Vertical Take-Off and Landing (VTOL) Navy Fighter Aircraft Prototype
#120
1942
National Flag Graphic
Picture of the Lockheed XP-49
Lockheed XP-49
High-Altitude Fighter Prototype
#121
1944
National Flag Graphic
Picture of the Lockheed XP-58 Chain Lightning
Lockheed XP-58 Chain Lightning
High-Altitude Interceptor / Close Air Support Aircraft
#122
1949
National Flag Graphic
Picture of the Lockheed XP-90 / XF-90
Lockheed XP-90 / XF-90
Prototype Escort / Penetration Fighter Aircraft
#123
1931
National Flag Graphic
Picture of the Lockheed YP-24
Lockheed YP-24
Monoplane Fighter Prototype Aircraft
#124
1964
National Flag Graphic
Picture of the LTV XC-142
LTV XC-142
Vertical / Short Take-Off and Landing (V/STOL) Experimental Aircraft
#125
1955
National Flag Graphic
Picture of the Martin P6M SeaMaster
Martin P6M SeaMaster
Jet-Powered Flying Boat
#126
1969
National Flag Graphic
Picture of the Martin X-24A
Martin X-24A
Technology Demonstrator Aircraft
#127
1973
National Flag Graphic
Picture of the Martin X-24B
Martin X-24B
Technology Demonstrator Aircraft
#128
1935
National Flag Graphic
Picture of the Martin XB-16 (Model 145)
Martin XB-16 (Model 145)
Long-Range, High-Altitude Heavy Bomber Prototype
#129
1942
National Flag Graphic
Picture of the Martin XB-33 Super Marauder
Martin XB-33 Super Marauder
Proposed High-Altitude Medium / Heavy Bomber
#130
1947
National Flag Graphic
Picture of the Martin XB-48
Martin XB-48
Jet-Powered Medium Bomber Prototype
#131
1949
National Flag Graphic
Picture of the Martin XB-51
Martin XB-51
Jet-Powered Bomber Prototype Aircraft
#132
1983
National Flag Graphic
Picture of the McDonnell Douglas / General Dynamics A-12 Avenger II
McDonnell Douglas / General Dynamics A-12 Avenger II
Carrier-based Strike Aircraft Proposal
#133
1976
National Flag Graphic
Picture of the McDonnell Douglas YC-15
McDonnell Douglas YC-15
Tactical Airlifter Transport Aircraft Prototype
#134
1948
National Flag Graphic
Picture of the McDonnell Model 60
McDonnell Model 60
Carrier-based Fleet Defense Fighter / Interceptor Proposal
#135
1948
National Flag Graphic
Picture of the McDonnell XF-85 Goblin (Parasite Fighter)
McDonnell XF-85 Goblin (Parasite Fighter)
Fighter / Bomber Escort
#136
1948
National Flag Graphic
Picture of the McDonnell XF-88 Voodoo
McDonnell XF-88 Voodoo
Escort Fighter / Penetration Fighter Prototype
#137
1943
National Flag Graphic
Picture of the McDonnell XP-67 Bat / Moonbat
McDonnell XP-67 Bat / Moonbat
Long-Range Interceptor Prototype
#138
1953
National Flag Graphic
Picture of the North American X-10
North American X-10
Unmanned Cruise Missile Technology Demonstrator Aircraft
#139
1959
National Flag Graphic
Picture of the North American X-15
North American X-15
Rocket-Powered Research Aircraft
#140
1942
National Flag Graphic
Picture of the North American XB-28 (Dragon)
North American XB-28 (Dragon)
High-Altitude, Medium Fast Bomber Prototype
#141
1964
National Flag Graphic
Picture of the North American XB-70 Valkyrie
North American XB-70 Valkyrie
Prototype Supersonic Strategic Bomber
#142
1955
National Flag Graphic
Picture of the North American XF-108 Rapier
North American XF-108 Rapier
Long-Range, High-Speed Interceptor Aircraft Proposal
#143
1956
National Flag Graphic
Picture of the North American YF-107 (Ultra Sabre)
North American YF-107 (Ultra Sabre)
Research / Fighter-Bomber Aircraft
#144
1950
National Flag Graphic
Picture of the North American YF-93
North American YF-93
Escort / Penetration Fighter Prototype Aircraft
#145
1982
National Flag Graphic
Picture of the Northrop F-20 Tigershark
Northrop F-20 Tigershark
Multi-Role Fighter / Fighter-Bomber Aircraft
#146
2015
National Flag Graphic
Picture of the Northrop Grumman / Bell Fire-X (MQ-8C)
Northrop Grumman / Bell Fire-X (MQ-8C)
Unmanned Aerial Vehicle (UAV) / Autonomous Overwater Resupply Platform
#147
2032
National Flag Graphic
Picture of the Northrop Grumman B-21 Raider (LRS-B)
Northrop Grumman B-21 Raider (LRS-B)
Long Range Strike - Bomber / Stealth Heavy Bomber
#148
2017
National Flag Graphic
Picture of the Northrop Grumman MQ-25 Stingray
Northrop Grumman MQ-25 Stingray
Carrierborne Unmanned Combat Aerial Vehicle (UCAV) / Aerial Tanker Aircraft
#149
2014
National Flag Graphic
Picture of the Northrop Grumman R-BAT (Rotary-BAT)
Northrop Grumman R-BAT (Rotary-BAT)
Military Unmanned Helicopter System
#150
2015
National Flag Graphic
Picture of the Northrop Grumman RQ-180
Northrop Grumman RQ-180
Reconnaissance Stealth UAV
#151
2017
National Flag Graphic
Picture of the Northrop Grumman T-X (Model 400)
Northrop Grumman T-X (Model 400)
5th Generation Advanced Jet Trainer Aircraft Proposal
#152
2003
National Flag Graphic
Picture of the Northrop Grumman X-47A Pegasus
Northrop Grumman X-47A Pegasus
Unmanned Combat Aerial Vehicle (UCAV)
#153
2011
National Flag Graphic
Picture of the Northrop Grumman X-47B
Northrop Grumman X-47B
Unmanned Combat Aerial Vehicle (UCAV)
#154
1990
National Flag Graphic
Picture of the Northrop Grumman YF-23 (Black Widow II)
Northrop Grumman YF-23 (Black Widow II)
Technology Demonstrator / 5th Generation Fighter Prototype
#155
1953
National Flag Graphic
Picture of the Northrop N-102 Fang
Northrop N-102 Fang
Lightweight Fighter Design Study
#156
1941
National Flag Graphic
Picture of the Northrop N-1M
Northrop N-1M
Flying Wing Research Aircraft
#157
1942
National Flag Graphic
Picture of the Northrop N-9M
Northrop N-9M
Flying Wing Prototype
#158
1982
National Flag Graphic
Picture of the Northrop Tacit Blue
Northrop Tacit Blue
Stealth Technology Demonstrator
#159
1948
National Flag Graphic
Picture of the Northrop X-4 Bantam
Northrop X-4 Bantam
Technology Demonstrator Aircraft
#160
1946
National Flag Graphic
Picture of the Northrop XB-35 / YB-35
Northrop XB-35 / YB-35
Flying Wing Strategic Bomber Prototype
#161
1943
National Flag Graphic
Picture of the Northrop XP-56 Black Bullet
Northrop XP-56 Black Bullet
Pursuit Fighter Prototype
#162
1945
National Flag Graphic
Picture of the Northrop XP-61E (Black Widow)
Northrop XP-61E (Black Widow)
Long-Range Bomber Escort / Heavy Day Fighter Aircraft
#163
1945
National Flag Graphic
Picture of the Northrop XP-79
Northrop XP-79
Bomber-Rammer / Bomber-Interceptor
#164
1972
National Flag Graphic
Picture of the Northrop YA-9
Northrop YA-9
Close Air Support Aircraft Prototype
#165
1947
National Flag Graphic
Picture of the Northrop YB-49
Northrop YB-49
Flying Wing Bomber
#166
1972
National Flag Graphic
Picture of the Northrop YF-17 (Cobra)
Northrop YF-17 (Cobra)
Technology Demonstrator Aircraft
#167
2007
National Flag Graphic
Picture of the Piasecki X-49 Speedhawk
Piasecki X-49 Speedhawk
Technology Demonstrator Compound Helicopter
#168
2008
National Flag Graphic
Picture of the Piper PA-47 PiperJet
Piper PA-47 PiperJet
Very-Light Business / VIP Jet Aircraft
#169
1931
National Flag Graphic
Picture of the Pitcairn PCA-2
Pitcairn PCA-2
Twin-Seat, Single-Engine Utility Autogyro Air Vehicle
#170
1948
National Flag Graphic
Picture of the Republic AP-47 (Army Project 47)
Republic AP-47 (Army Project 47)
Mixed-Powerplant Ground Attack / Support Aircraft Proposal
#171
1940
National Flag Graphic
Picture of the Republic P-44 (Rocket)
Republic P-44 (Rocket)
Single-Seat, Single-Engine Pursuit Fighter / Interceptor Aircraft
#172
1946
National Flag Graphic
Picture of the Republic P-47 (Turbobolt)
Republic P-47 (Turbobolt)
Jet-Powered Fighter / Interceptor Aircraft Concept
#173
1956
National Flag Graphic
Picture of the Republic XF-103 (Thunderwarrior)
Republic XF-103 (Thunderwarrior)
Supersonic Mixed-Propulsion Interceptor Proposal
#174
1946
National Flag Graphic
Picture of the Republic XF-12 Rainbow
Republic XF-12 Rainbow
Strategic Reconnaissance Aircraft
#175
1955
National Flag Graphic
Picture of the Republic XF-84H Thunderscreech
Republic XF-84H Thunderscreech
Experimental Fighter Aircraft
#176
1949
National Flag Graphic
Picture of the Republic XF-91 Thunderceptor
Republic XF-91 Thunderceptor
High-Altitude Interceptor Prototype
#177
1945
National Flag Graphic
Picture of the Republic XP-47H Thunderbolt
Republic XP-47H Thunderbolt
High-Performance Fighter Prototype Aircraft
#178
1944
National Flag Graphic
Picture of the Republic XP-47J (Superbolt)
Republic XP-47J (Superbolt)
High-Performance Single-Seat Fighter Aircraft Prototype
#179
1943
National Flag Graphic
Picture of the Republic XP-69
Republic XP-69
High-Speed, High-Altitude Single-Seat Fighter Concept
#180
1944
National Flag Graphic
Picture of the Republic XP-72 Ultrabolt
Republic XP-72 Ultrabolt
Prototype High-Altitude Fighter / Interceptor
#181
1977
National Flag Graphic
Picture of the Rockwell XFV-12
Rockwell XFV-12
VTOL Carrier-based Fighter Prototype
#182
1990
National Flag Graphic
Picture of the Rockwell-MBB X-31 (EFM)
Rockwell-MBB X-31 (EFM)
Thrust-Vectoring Experimental Aircraft
#183
1968
National Flag Graphic
Picture of the Ryan AQM-91 Firefly / Compass Arrow
Ryan AQM-91 Firefly / Compass Arrow
Reconnaissance Drone
#184
1927
National Flag Graphic
Picture of the Ryan NYP (Spirit of St. Louis)
Ryan NYP (Spirit of St. Louis)
Record-Setting Long-Range Aircraft
#185
1953
National Flag Graphic
Picture of the Ryan X-13 Vertijet
Ryan X-13 Vertijet
Experimental Vertical Take-Off and Landing (VTOL) Aircraft
#186
1946
National Flag Graphic
Picture of the Ryan XF2R Dark Shark
Ryan XF2R Dark Shark
Prototype Mixed-Power Fighter Aircraft
#187
1964
National Flag Graphic
Picture of the Ryan XV-5 Vertifan
Ryan XV-5 Vertifan
Experimental VTOL Aircraft
#188
1990
National Flag Graphic
Picture of the Scaled Composites Model 151 (ARES)
Scaled Composites Model 151 (ARES)
Close-Air Support (CAS) Demonstrator Aircraft
#189
2017
National Flag Graphic
Picture of the Scaled Composites Model 401
Scaled Composites Model 401
Single-Seat, Single-Engine Experimental Research Aircraft
#190
1970
National Flag Graphic
Picture of the Sikorsky S-67 Blackhawk
Sikorsky S-67 Blackhawk
Attack Helicopter Prototype
#191
1973
National Flag Graphic
Picture of the Sikorsky S-69
Sikorsky S-69
Experimental Compound Helicopter Prototype
#192
1976
National Flag Graphic
Picture of the Sikorsky S-72 (X-Wing)
Sikorsky S-72 (X-Wing)
Experimental Compound Helicopter Prototype
#193
2020
National Flag Graphic
Picture of the Sikorsky S-97 Raider
Sikorsky S-97 Raider
Light-class Attack / Multirole Helicopter Prototype
#194
2023
National Flag Graphic
Picture of the Spike S-512 QSJ (Quiet Supersonic Jet)
Spike S-512 QSJ (Quiet Supersonic Jet)
Supersonic Passenger Aircraft
#195
2023
National Flag Graphic
Picture of the Stavatti Javelin T-X
Stavatti Javelin T-X
Advanced Jet Trainer Aircraft Prototype
#196
1938
National Flag Graphic
Picture of the Stearman XA-21
Stearman XA-21
Ground Attack Aircraft Prototype
#197
1940
National Flag Graphic
Picture of the Tucker XP-57 (Peashooter)
Tucker XP-57 (Peashooter)
Bomber Interceptor / Fighter Proposal
#198
2015
National Flag Graphic
Picture of the Vanilla Aircraft VA001
Vanilla Aircraft VA001
Ultra-Long-Endurance Unmanned Aircraft
#199
1946
National Flag Graphic
Picture of the Vought F6U Pirate
Vought F6U Pirate
Single-Seat Carrier-Based Jet Fighter Aircraft
#200
1942
National Flag Graphic
Picture of the Vought V-173 (Flying Pancake)
Vought V-173 (Flying Pancake)
Experimental Fighter Aircraft
#201
1946
National Flag Graphic
Picture of the Vought V-340
Vought V-340
Single-Seat, Jet-Powered Carrierbased Fighter Aircraft Proposal
#202
1943
National Flag Graphic
Picture of the Vought XF5U (Flying Flapjack)
Vought XF5U (Flying Flapjack)
Experimental Fighter Aircraft
#203
1958
National Flag Graphic
Picture of the Vought XF8U-3 Crusader III
Vought XF8U-3 Crusader III
Carrier-based Fighter Aircraft Prototype
#204
2020
National Flag Graphic
Picture of the Vulcan Aerospace Stratolaunch Systems Carrier
Vulcan Aerospace Stratolaunch Systems Carrier
Low Earth Orbit Launch Vehicle / Mothership
#205
1944
National Flag Graphic
Picture of the Vultee XA-41
Vultee XA-41
Dive Bomber / Low-Level Attack Aircraft
#206
1943
National Flag Graphic
Picture of the Vultee XP-54 Swoose Goose
Vultee XP-54 Swoose Goose
Single-Seat, Twin-Boom Fighter Prototype Aircraft
#207
1941
National Flag Graphic
Picture of the Vultee XP-68 Tornado (Swoose Goose)
Vultee XP-68 Tornado (Swoose Goose)
Single-Seat, Twin-Boom Fighter Aircraft Proposal
#208
1945
National Flag Graphic
Picture of the Vultee XP-81
Vultee XP-81
Mixed-Power Fighter Prototype Aircraft
#209
1923
National Flag Graphic
Picture of the Witteman-Lewis XNBL-1 (Barling Bomber)
Witteman-Lewis XNBL-1 (Barling Bomber)
Strategic Bomber Prototype
#210
1903
National Flag Graphic
Picture of the Wright Flyer
Wright Flyer
Technology Demonstrator Aircraft
#211
1916
National Flag Graphic
Picture of the Wright Model L
Wright Model L
Scout Biplane Aircraft Prototype