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Hanwha AS21 Redback

Tracked Infantry Fighting Vehicle (IFV) (2023)

Land Systems / Battlefield

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The AS21 Redback is being offered by Hanwha Defense Systems of South Korea to satisfy an Australian Army requirement for an M113AS4 APC replacement.

Authored By: Staff Writer | Last Edited: 01/09/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.
South Korea-based Hanwha Defense Systems is offering an evolved version of its K21 tracked Infantry Fighting Vehicle (IFV) serving the modern South Korean Army to satisfy the Australian Army's LAND 400 requirement. LAND 400 program seeks a direct replacement for the in-service wheeled AuStralian Light Armoured Vehicle (ASLAV) and tracked M113 (M113AS4) Armored Personnel Carrier (APC) fleets. Four distinct phases make up the program - Phase 1, Phase 2, Phase 3 and Phase 4 covering the Project Definition Study (PDS), the Mounted Combat Reconnaissance Capability, the Mounted Close-Combat Capability, and Integrated Training System components, respectively. The Australian model is being designated AS21 "Redback", named after a local Australian spider species.

The AS21 was debuted at the 2018 Ground Forces exhibition, revealing a traditional track-and-wheel drive arrangement involving six double-tired road wheels to a hull side. The hull itself has slab sides with armored skirts protecting the upper reaches of the track run. The glacis plate is shallow and well sloped towards the turret roof. Atop the turret sits a complete traversable turret with an unobstructed 360-degree reach. An Active Protection System (APS) will be added at a later date to automatically protect against inbound missile and rocket threats. Crew and systems survivability have been enhanced over the original K21's scheme. Beyond the typical operating crew of three - driver, commander, and gunner - there is space for up to eight combat-ready infantrymen.

Armament is a 40mm autocannon and a single 7.62mm coaxial machine gun - both fitted to the turret. Up to ten (five to a side) smoke grenade dischargers will be available for self-screening the vehicle as needed.

With an assumed turbocharged diesel-fueled engine serving as its powerpack, the vehicle has an estimated road speed of 70 kmh (this falls to 40 kmh when going cross-country) and an operational range nearing 500 kilometers.

August 2018 - Hanwha is offering a version of its K21 IFV to Australia to satisfy the Infantry Fighting Vehicle requirement of the "LAND 400 Phase 3". The vehicle was unveiled at the 2018 Earth Forces exhibition.


Service Year

South Korea national flag graphic
South Korea


Hanwha Defense Systems - South Korea
National flag of Australia Australia (possible)
(OPERATORS list includes past, present, and future operators when applicable)
Infantry Support
Support allied ground forces through weapons, inherent capabilities, and / or onboard systems.
Can conduct reconnaissance / scout missions to assess threat levels, enemy strength, et al - typically through lightweight design.

Powerplant: 1 x Turbocharged diesel-fueled engine of unknown power output driving a conventional track-and-wheel arrangement.
43.5 mph
(70.0 kph)
310.7 mi
(500.0 km)
(Showcased performance specifications pertain to the base Hanwha AS21 Redback production variant. Compare this entry against any other in our database)
1 x 40mm autocannon in hull-mounted turret.
1 x 7.62mm machine gun in coaxial posiion in hull-mounted turret.
10 x Smoke Grenade Dischargers.

Also any personal weapons carried by the crew.

Supported Types

Graphical image of a tank automatic cannon
Graphical image of a tank medium machine gun
Graphical image of the M3 Grease Gun submachine gun
Graphical image of tank /armored vehicle smoke grenade dischargers

(Not all weapon types may be represented in the showcase above)
500 x 40mm projectiles (estimated).
1,000 x 7.62mm ammunition (estimated).
10 x Smoke Grenades.

AS21 "Redback" - Base Series Designation; based on the South Korean K21 Infantry Fighting Vehicle.

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