Military Factory
Military Factory

U.S. X-Plane Aircraft

Authored By Staff Writer | Last Updated: 3/17/2014

A country never short of dreamers, the American aviation industry did much to push the envelope of flight during the last century - a tradition continuing today.

Tweet

There are a total of 99 American X-Plane Aircraft in the Military Factory. Entries are listed below in alphanumeric order. Flag images indicative of country of origin.




1944
Beechcraft XA-38 Grizzly / Destroyer (Model 28)
The XA-38 was a developmental twin-engine heavy fighter produced by the Beech Aircraft firm. By all accounts, she was a stabl...
Thumbnail picture of the Beechcraft XA-38 Grizzly / Destroyer (Model 28)

2006
Bell ARH-70 (Arapaho)
The Bell ARH-70 helicopter was developed for the US Army as a possible direct replacement to the successful but aged Kiowa Wa...
Thumbnail picture of the Bell ARH-70 (Arapaho)

2020
Bell V-280 Valor
Bell Helicopters is forging their 3rd Generation Tiltrotor concept for marketing to the United States Army and its Future Ver...
Thumbnail picture of the Bell V-280 Valor

1947
Bell X-1
The Bell X-1 was an advanced technology demonstrator that became the first aircraft in the history of aviation to break the s...
Thumbnail picture of the Bell X-1

1951
Bell X-5
The X-5 was an experimental single-seat, single-engine, jet-powered fighter design prototype produced by the Bell Aircraft co...
Thumbnail picture of the Bell X-5

1940
Bell XFL Airabonita
The XFL "Airabonita" was a Bell Aircraft Company product developed in parallel with the P-39 Airacobra, a land-based USAAF de...
Thumbnail picture of the Bell XFL Airabonita

1940
Bell XFM-1 Airacuda
In the same way that the XFM-1 Airacuda was a "different" sort of aircraft, the Bell company itself was "different sort" of a...
Thumbnail picture of the Bell XFM-1 Airacuda

1944
Bell XP-77
The deteriorating war situations in both Europe and the Far East during World War 2 began forcing American warplanners to thi...
Thumbnail picture of the Bell XP-77

1945
Bell XP-83
In 1942, with World War in full swing across Europe and the Pacific, work began on an American turbo jet-powered aircraft to ...
Thumbnail picture of the Bell XP-83

1997
Boeing / McDonnell Douglas X-36
The Boeing X-36 (formerly McDonnell Douglas) was a unmanned technology demonstrator and served NASA (Ames and Dryden Research...
Thumbnail picture of the Boeing / McDonnell Douglas X-36

2004
Boeing / Sikorsky RAH-66 Comanche
At one point, the Sikorsky RAH-66 Comanche was set to become the future of U.S. Army rotary-wing aviation. It was a stealth-b...
Thumbnail picture of the Boeing / Sikorsky RAH-66 Comanche

1983
Boeing Skyfox
The Boeing Skyfox was a modification program intended to modernized the large fleet of existing Lockheed T-33 "Shooting Star"...
Thumbnail picture of the Boeing Skyfox

2000
Boeing X-32 JSF (Joint Stike Fighter)
The Boeing X-32 was a prototype aircraft developed for the US military's Joint Strike Fighter (JSF) program. The Boeing submi...
Thumbnail picture of the Boeing X-32 JSF (Joint Stike Fighter)

2002
Boeing X-45
The Boeing X-45 served as a proof-of-concept technology demonstrator - developed in conjunction with DARPA (Defense Advanced ...
Thumbnail picture of the Boeing X-45

2010
Boeing X-51 (Waverider)
The Boeing X-51 "Waverider" is an unmanned technology demonstrator designed to further develop the concept of shockwave-assis...
Thumbnail picture of the Boeing X-51 (Waverider)

1937
Boeing XB-15 (XBLR-1 / Grandpappy)
In 1933, the United States Army Air Corps (USAAC) delivered a new specification for a heavy bomber with an inherent operation...
Thumbnail picture of the Boeing XB-15 (XBLR-1 / Grandpappy)

1944
Boeing XF8B
The Boeing XF8B "do-everything" carrier-based fighter-bomber prototype of World War 2 (1939-1945) emerged at a time in Boeing...
Thumbnail picture of the Boeing XF8B

1928
Boeing XP-8
Following World War 1 (1914-1918), the aircraft as a military platform advanced beyond its original fabric-over-wood covering...
Thumbnail picture of the Boeing XP-8

1938
Boeing Y1B-20
Leading up to its famous stable of World War 2 heavy bombers, Boeing undertook a variety of projects to further existing tech...
Thumbnail picture of the Boeing Y1B-20

1931
Boeing YB-9 (Death Angel)
Long before Boeing became a household name with its B-17 "Flying Fortress" bombers of World War 2 fame, it developed the firs...
Thumbnail picture of the Boeing YB-9 (Death Angel)

1943
Brewster XA-32
The United States Army Air Corps appreciated the tactical scope of the German Luftwaffe Junkers Ju 87 "Stuka" dive bombers an...
Thumbnail picture of the Brewster XA-32

1911
Curtiss A-1 Triad (Model E)
Like the United States Army's air service of the early 20th century, the United States Navy (USN) air power managed a humble ...
Thumbnail picture of the Curtiss A-1 Triad (Model E)

1944
Curtiss XF14C
Curtiss Aircraft enjoyed success with its inline piston-engined P-40 "Warhawk" series of fighters which went on to serve in m...
Thumbnail picture of the Curtiss XF14C

1939
Curtiss XP-42
The Curtiss XP-42 was a further development of the Curtiss P-36 Hawk model though it would share some initial outward similar...
Thumbnail picture of the Curtiss XP-42

1941
Curtiss XP-46
The smallish XP-46 was to be the answer for the deficiencies encountered in the P-40 Warhawk platform. Unfortunately for Curt...
Thumbnail picture of the Curtiss XP-46

1943
Curtiss-Wright XP-55 Ascender
The XP-55 Ascender was an unorthodox attempt by the Curtiss-Wright company that produced just three prototype models. Answeri...
Thumbnail picture of the Curtiss-Wright XP-55 Ascender

1948
Curtiss-Wright XP-87 / XF-87 Blackhawk
The XF-87 was a failed proposal attempted by the Curtiss-Wright aircraft design bureau to meet an Air Force requirement for t...
Thumbnail picture of the Curtiss-Wright XP-87 / XF-87 Blackhawk

2010
DARPA Falcon HTV-2
Billed as the "World's Fastest Airplane", the Falcon HTV-2 ("Hypersonic Technology Vehicle") is a long-duration, hypersonic t...
Thumbnail picture of the DARPA Falcon HTV-2

2012
DARPA KQ-X (Global Hawk)
KQ-X is a program designation commissioned by DARPA (Defense Advanced Research Projects Agency) of the United States to modif...
Thumbnail picture of the DARPA KQ-X (Global Hawk)

1947
Douglas D-558-1 Skystreak (Phase 1)
World War 2 (1939-1945) sparked a research boom for American aviation - particularly concerning the realm of transonic/supers...
Thumbnail picture of the Douglas D-558-1 Skystreak (Phase 1)

1948
Douglas D-558-2 Skyrocket (Phase 2)
Prior to the end of World War 2 (1939-1945), the US Navy teamed with National Advisory Committee for Aeronautics ("NACA" - fo...
Thumbnail picture of the Douglas D-558-2 Skyrocket (Phase 2)

1952
Douglas X-3 (Stiletto)
The Douglas X-3 existed purely as a research aircraft, designed to study the barrier of sustained, supersonic jet-powered fli...
Thumbnail picture of the Douglas X-3 (Stiletto)

1941
Douglas XB-19 (XBLR-2)
Douglas Aircraft played a major role in American aviation from the 1920s into the 1960s, encompassing the Golden Age of Fligh...
Thumbnail picture of the Douglas XB-19 (XBLR-2)

1943
Fisher XP-75 / P-75 Eagle
General Motors became a major player in the American manufacturing realm when World War 2 arrived for the United States. With...
Thumbnail picture of the Fisher XP-75 / P-75 Eagle

2015
General Atomics Sea Avenger
The United States Navy's "Unmanned, Carrier-Launched, Airborne Surveillance and Strike" (UCLASS) program was launched to deli...
Thumbnail picture of the General Atomics Sea Avenger

1982
General Dynamics F-16XL
What began life as a General Dynamics research project evolved into a United States Air Force contender to replace the expens...
Thumbnail picture of the General Dynamics F-16XL

1982
Grumman X-29
The Grumman X-29 aircraft was a technology demonstrator appearing in the latter years of the Cold War (1947-1991). The design...
Thumbnail picture of the Grumman X-29

1941
Grumman XP-50 Skyrocket
Firmly entrenched as an aircraft supplier to the United States Navy, the Grumman aircraft company set about to supply an equa...
Thumbnail picture of the Grumman XP-50 Skyrocket

1927
Huff-Daland XHB-1 Cyclops
For years in the decade following World War 1 (1914-1918) the Huff-Daland Aero Corporation attempted to sell the United Sates...
Thumbnail picture of the Huff-Daland XHB-1 Cyclops

1935
Hughes H-1 (Hughes 1B)
The H-1 (also known as the "Hughes 1B") model was the first product of the Hughes Aircraft firm and was intended as a world r...
Thumbnail picture of the Hughes H-1 (Hughes 1B)

1943
Hughes Model D-2 (XP-73 / XA-37)
The Hughes Model D-2 was born around 1937 to compete for the US Army Air Corp's (USAAC) contract for a twin-boom "fast fighte...
Thumbnail picture of the Hughes Model D-2 (XP-73 / XA-37)

1966
Hughes OH-6 Cayuse (Loach)
The Hughes OH-6 "Cayuse" (popularly recognized as the "Loach") was a revolutionary light helicopter mount primarily in servic...
Thumbnail picture of the Hughes OH-6 Cayuse (Loach)

1946
Hughes XR-11 / XF-11
Though only achieving prototype form, the XF-11 was one of the darling designs of famed American aviator Howard Hughes. Looki...
Thumbnail picture of the Hughes XR-11 / XF-11

1945
Kaiser-Fleetwings XBTK
The "escort carrier" was adopted by the United States Navy during World War 2 (1939-1945) to provide an aircraft carrier-type...
Thumbnail picture of the Kaiser-Fleetwings XBTK

1927
Keystone XLB-3
As promising as the performance jump from the Martin MB-2 to the Huff-Daland LB-1 series was, Army authorities were not convi...
Thumbnail picture of the Keystone XLB-3

1967
Lockheed AH-56 Cheyenne
The AH-56 Cheyenne was Lockheed's first and only foray into development of a production helicopter. In many respects, howeve...
Thumbnail picture of the Lockheed AH-56 Cheyenne

2005
Lockheed Martin Polecat (P-175)
The Lockheed Martin "Polecat" was a private venture high-altitude, Unmanned Aerial System (UAS) flying wing development inten...
Thumbnail picture of the Lockheed Martin Polecat (P-175)

2013
Lockheed Martin X-56A (MUTT)
Flutter affects the wing assemblies of any aircraft at speed, causing a violent oscillation to take place which ultimately de...
Thumbnail picture of the Lockheed Martin X-56A (MUTT)

2030
Lockheed SR-72
Developed with the same primary mission as the Cold War-era SR-71 "Blackbird", the new high-speed, high-altitude-minded SR-72...
Thumbnail picture of the Lockheed SR-72

1942
Lockheed XP-49
The XP-49 was a development of the Lockheed Corporation and a possible replacement for its successful line of P-38 Lightning ...
Thumbnail picture of the Lockheed XP-49

1944
Lockheed XP-58 Chain Lightning
The XP-58 "Chain Lightning" was initially envisioned as a larger version of the successful Lockheed P-38 Lightning twin-boom ...
Thumbnail picture of the Lockheed XP-58 Chain Lightning

1955
Martin P6M SeaMaster
The Cold War (1947-1991) period was one of technological advancement whose momentum was driven by developments during World W...
Thumbnail picture of the Martin P6M SeaMaster

1969
Thumbnail picture of the Martin X-24A

1973
Thumbnail picture of the Martin X-24B

1949
Martin XB-51
Developed as a low-level bomber and ground attack platform for the then-United States Army Air Force (USAAF), the Martin XB-5...
Thumbnail picture of the Martin XB-51

1983
McDonnell Douglas / General Dynamics A-12 Avenger II
The McDonnell Douglas A-12 "Avenger II" was slated to become the United States Navy's (USN) first stealth aircraft. The type ...
Thumbnail picture of the McDonnell Douglas / General Dynamics A-12 Avenger II

1948
McDonnell XF-85 Goblin (Parasite Fighter)
The XF-85 Goblin was an attempt by the McDonnell bureau to realize the dream of a "parasite fighter" program that was actuall...
Thumbnail picture of the McDonnell XF-85 Goblin (Parasite Fighter)

1948
McDonnell XF-88 Voodoo
World War 2 proved to American warplanners that the importance of escort fighters for their bombers could not be overstated. ...
Thumbnail picture of the McDonnell XF-88 Voodoo

1943
McDonnell XP-67 Bat / Moonbat
The XP-67 was the first attempt by the McDonnell corporation to build a fighter for the United States Military. The same corp...
Thumbnail picture of the McDonnell XP-67 Bat / Moonbat

1942
North American XB-28 (Dragon)
North American, the U.S. aviation concern fondly remembered for its World War 2 contributions through the B-25 Mitchell mediu...
Thumbnail picture of the North American XB-28 (Dragon)

1964
North American XB-70 Valkyrie
The XB-70 Valkyrie was intended to be the USAF 'super bomber' for decades to come and was tabbed as the eventual successor to...
Thumbnail picture of the North American XB-70 Valkyrie

1957
North American YF-107 Ultra Sabre
The YF-107 "Ultra Sabre" prototype represented the final foray into military aviation for the North American Aircraft Corpora...
Thumbnail picture of the North American YF-107 Ultra Sabre

1982
Northrop F-20 Tigershark
The Northrop F-20 Tigershark was a further evolution of the F-5 Tiger II line, specifically the F-5E model series. The F-20 e...
Thumbnail picture of the Northrop F-20 Tigershark

2014
Northrop Grumman / Bell Fire-X (MQ-8C)
The Fire-X is being jointly developed as a full-size Unmanned Aerial Vehicle (UAV) by Northrop Grumman and Bell Helicopter. T...
Thumbnail picture of the Northrop Grumman / Bell Fire-X (MQ-8C)

2015
Northrop Grumman RQ-180
The existence of the Northrop Grumman RQ-180 Unmanned Aerial Vehicle (UAV) was unveiled by the United States Air Force in Dec...
Thumbnail picture of the Northrop Grumman RQ-180

2003
Northrop Grumman X-47A Pegasus
The X-47A "Pegasus" stealthy technology demonstrator Unmanned Combat Aerial Vehicle (UCAV) began as a private venture by defe...
Thumbnail picture of the Northrop Grumman X-47A Pegasus

2011
Northrop Grumman X-47B
Following the proof-of-concept demonstrator X-47A "Pegasus", the X-47B was born as a full-sized technology demonstrating Unma...
Thumbnail picture of the Northrop Grumman X-47B

1990
Northrop Grumman YF-23 Black Widow II
The YF-23 Black Widow II was Northrop Grumman's (along with McDonnell Douglas Corporation) answer to the American ATF (Advanc...
Thumbnail picture of the Northrop Grumman YF-23 Black Widow II

1941
Northrop N-1M
John "Jack" Northrop long held a fascination with the "flying wing" concept, an aircraft that did not rely on a traditional t...
Thumbnail picture of the Northrop N-1M

1942
Northrop N-9M
Before the famous Northrop B-2 "Spirit" stealth bomber became a reality, Jack Northrop persevered in bringing a viable milita...
Thumbnail picture of the Northrop N-9M

1943
Northrop XP-56 Black Bullet
The XP-56 "Black Bullet" was designed by the Northrop company to an Army Air Corps proposal known as the R-40C. The XP-56 sto...
Thumbnail picture of the Northrop XP-56 Black Bullet

1945
Northrop XP-79
The concept of the flying wing had been around since the dawn of flight and made more so intriguing throughout the 1920s and ...
Thumbnail picture of the Northrop XP-79

1946
Thumbnail picture of the Northrop YB-35

1947
Thumbnail picture of the Northrop YB-49

1972
Northrop YF-17 (Cobra)
The YF-17 Cobra was a Northrop Aviation creation through NASA to support further testing and research of aircraft at transoni...
Thumbnail picture of the Northrop YF-17 (Cobra)

1946
Republic XF-12 Rainbow
During World War 2, the Republic Aviation name was primarily tied to the excellent P-47 "Thunderbolt" fighter-bomber which pr...
Thumbnail picture of the Republic XF-12 Rainbow

1955
Republic XF-84H Thunderscreech
The Republic XF-84H was an experimental airframe based on the jet-powered, single-seat Republic F-84F Thunderstreak fighter. ...
Thumbnail picture of the Republic XF-84H Thunderscreech

1949
Republic XF-91 Thunderceptor
After World War 2 and during the early Cold War years, the American government now faced the Soviet Union and threat of nucle...
Thumbnail picture of the Republic XF-91 Thunderceptor

1944
Republic XP-72 Super Thunderbolt
The Republic XP-72 Wasp Major-powered "Super Thunderbolt" was being developed in the latter part of World War 2 (1939-1945) a...
Thumbnail picture of the Republic XP-72 Super Thunderbolt

1977
Rockwell XFV-12
The Rockwell XFV-12 aircraft was a proposed design attempting to fulfill a United States Navy (USN) requirement for a VTOL (V...
Thumbnail picture of the Rockwell XFV-12

1968
Ryan AQM-91 Firefly / Compass Arrow
Teledyne Ryan / Ryan Aeronautical produced the AQM-91 "Firefly" as a stealth-minded, high-altitude, photo-reconnaissance Unma...
Thumbnail picture of the Ryan AQM-91 Firefly / Compass Arrow

1953
Ryan X-13 Vertijet
The Ryan X-13 "Vertijet" was an experimental program of the 1950s funded by the United States Air Force to help test the vali...
Thumbnail picture of the Ryan X-13 Vertijet

1946
Ryan XF2R Dark Shark
The Ryan "Dark Shark" was an impressive developmental hybrid fighter design considered for service with both the United State...
Thumbnail picture of the Ryan XF2R Dark Shark

1970
Sikorsky S-67 Blackhawk
Before the US Army's ubiquitous workhorse transport/utility helicopter - the Sikorsky UH-60 "Black Hawk" - had become a house...
Thumbnail picture of the Sikorsky S-67 Blackhawk

2020
Sikorsky S-97 Raider
While helicopters have evolved since their mainstream inception in the 1950s, the "rotorcraft" has remained largely conventio...
Thumbnail picture of the Sikorsky S-97 Raider

1942
Vought V-173 (Flying Pancake)
Charles Zimmerman (1908-1996) served as an aeronautical engineer through most of his life and operated under the Langley Memo...
Thumbnail picture of the Vought V-173 (Flying Pancake)

1943
Vought XF5U (Flying Flapjack)
The promising nature of the Vought V-173 technology demonstrator produced a US Navy fighter contract for an expanded prototyp...
Thumbnail picture of the Vought XF5U (Flying Flapjack)

1958
Vought XF8U-3 Crusader III
The XF8U-3 "Crusader III" was a Chance Vought Mach 2-capable prototype series intended to fulfill the supersonic, all-weather...
Thumbnail picture of the Vought XF8U-3 Crusader III

1944
Vultee XA-41
It was during September of 1942 that the United States Army commissioned the Vultee Aircraft concern to develop a viable sing...
Thumbnail picture of the Vultee XA-41

1943
Vultee XP-54 Swoose Goose
The Vultee XP-54 was one of the more distinct aircraft creations designed during World War 2. Produced through the essentiall...
Thumbnail picture of the Vultee XP-54 Swoose Goose

1945
Vultee XP-81
The Consolidated Vultee XP-81 was a proposed long-range, high-altitude fighter design that was to be the answer for bomber es...
Thumbnail picture of the Vultee XP-81

1923
Witteman-Lewis XNBL-1 (Barling Bomber)
The Witteman-Lewis XNBL-1 (popularly known as the "Barling Bomber") was an ambitious heavy bomber design from Walter Barling,...
Thumbnail picture of the Witteman-Lewis XNBL-1 (Barling Bomber)

1903
Wright Flyer
Though the prospect of manned flight had been around for hundreds, maybe even thousands of years, it would be the Wright Brot...
Thumbnail picture of the Wright Flyer