Soldiers are Armiger-class bipedal combat platforms developed and employed by the Forerunners. These war-machines proved incredibly useful for raiding ancient human warships and combating the Flood.
The Jet Pack is an apparatus that provides limited flight capability in a gravity well and full maneuver control in microgravity operations.
The drop pod is a means of troop deployment from very high altitudes or, in most cases, from space. This equipment is most frequently employed by Orbital Drop Shock Troopers (ODST).