The Warthog Force Application Vehicle, more commonly known as the Warthog or simply the Hog, is the name for a series of vehicles serving as the United Nations Space Command Armed Forces' primary joint light tactical ground vehicle. its variants are capable of performing armament carrier, utility, command and control (shelter), ambulance, reconnaissance and a variety of other tactical and logistic support roles. It is a highly mobile, all-wheel-drive, all-wheel-steering, hydrogen-injected ICE-powered vehicle equipped with a manual transmission.

The most ubiquitous model is the M12 Light Reconnaissance Vehicle and its variants, which is equipped with advanced surveillance and a turret-mounted machine gun for a basic defensive capability. The M12 has been a part of the UNSC's mechanized infantry divisions and armored vehicle divisions since 2319,[1] and is the most publicly recognizable vehicle in their arsenal.