The Flyer 72-U is an open cargo deck variant of the Flyer which is used by USSOCOM as the M1128 GMV 1.1 and with US Army as the XM1297 A-GMV. The cargo deck is 69″ wide x 83″ long).
Seen here is the UVision Hero-120 configuration which offers up to 10 systems (4 ready to launch and 6 stowed).