This is the official US Army "issue" assault pack that the Army distributes to deploying units, in addition to the MOLLE Rifleman Set and other items in the RFI ensemble.  Can be worn alone or attached to the MOLLE Rucksack.  Consists of a large main pocket, zippered front cargo pocket, and a small utility pocket with velcro closure for smaller items.  Also has a slot for a radio antenna or hydration drink tube.  This assault pack is approved for airborne operations.