Original photo caption:
HEAVY WEIGHT -- A Lockheed C-130 Hercules lives up to its name as it takes off from Edwards AFB, California, carrying on its wings four remotely piloted vehicle (RPV) test units, weighing 44,510 lb (20,189 kg). The aircraft was modified for this mission by Lockheed Aircraft Service Company, Ontario, California. While no official National Aeronautical Association category exists, this is believed to be a world record for lifting external weight by a turboprop aircraft. The aircraft was modified to give it the capability of carrying and launching 10,000 lb (4,535 kg) class RPVs. The modification to a DC-130H configuration also increased the airspeed and altitude over current USAF RPV carriers.
Newsbureau, Lockheed Aircraft Service Company (a division of Lockheed Aircraft Corporation) Ontario International Airport, Ontario, California. For immediate release / Monday, July 26, 1976.