Kaman K-MAX UAV helicopterKaman K MAX helicopter USMC. The K MAX unmanned helicopter was developed under a Lockheed Martin contract. On December 2011, two K MAX helicopters and three remote control ground stations were delivered to the US Marine Corps and deployed to Afghanistan to evaluate of unmanned cargo resupply in an operational forward deployed environment. In 2015 were designated as CQ 24A and assigned to Marine test squadron VMX 22. Scale 1 40. Rotorspan 13. 5 inches,