 The two unmanned K-MAXs, designated CQ-24A, were to be moved to a Marine Corps base in Arizona by the end of September 2015 to develop tactics and operations concepts to inform an official program of record for a cargo UAV.Lockheed Martin demonstrated a fire fighting version in November 2014, and again in October 2015, when it delivered over water in one hour.A casualty evacuation exercise was performed in March 2015 in coordination with an unmanned ground vehicle and mission planning system.