High Quality Content by WIKIPEDIA articles! The Lockheed Martin KC-130 is the basic designation for a family of the extended-range tanker version of the C-130 Hercules transport aircraft modified for aerial refuelling. The KC-130J is the latest variant operated by the United States Marine Corps, with 38 delivered out of 47 ordered. It replaced older KC-130F and KC-130R variants, while USMC reserve units still operate 28 KC-130T aircraft.