Lockheed Martin test pilot Dan Levin flew F-35C test aircraft CF-1 with two 500-pound GBU-12 laser guided bombs and two AIM-120 AMRAAMs in the internal weapon bays on Flight 172. The flight originated from NAS Patuxent River, Maryland, on 16 October 2012. This marked the first time that an F-35C had been flown with GBU-12s.