The McDonnell Douglas AV-8B Harrier II is a single-engine ground-attack aircraft that constitutes the second generation of the Harrier family, capable of vertical or short takeoff and landing.The aircraft is primarily employed on light attack or multi-role missions, ranging from close air support of ground troops to armed reconnaissance.Typically operated from small aircraft carriers, large amphibious assault ships and simple forward operating bases, AV-8Bs have participated in numerous military and humanitarian operations, proving themselves versatile assets.