new C-5 Galaxy in 1971. Two years later Dover became the first all C-5 equipped wing in the USAF, trading the last of its C-141 to Charleston AFB, South Carolina. During the Vietnam War, more than 20,000 dead American soldiers were brought back to the United States via Dover. The Vietnam War dead comprise over 90% of all the remains processed at Dover before 1988. When the Yom Kippur War broke out between Israel and the combined forces of Egypt and Syria on October 13, 1973 the 436 MAW responded with a 32-day airlift that delivered 22,305 tons of munitions and military equipment to Israel. The 436 MAW also assisted in the evacuation of Americans from Iran on December 9, 1978, following the Islamic Revolution. That year, Dover AFB was also used to store hundreds of bodies from the mass murder and suicide of the Jonestown community in Guyana. Some of the more memorable flights during the post-war period included the airdrop and test firing of a Minuteman I intercontinental ballistic missile and the delivery of a 40-ton superconducting magnet to Moscow during the Cold War, for which the crew received the Mackay Trophy. After the Space Shuttle Challenger disaster, the remains of the seven astronauts were transferred to Dover AFB. It is one of only seven airports in the country that served as launch abort facilities for the Space Shuttle. In March 1989, C-5s from Dover delivered special equipment used to clean up the Exxon Valdez oil spill in Prince William Sound, Alaska. On June 7, 1989, while attending the Airlift Rodeo, a 436 MAW C-5 set a world record when it airdropped 190,346 pounds and 73 paratroopers. In October 1983, the wing flew 24 missions in support of Operation Urgent Fury, the Grenada rescue operation and later flew 16 missions to support Operation Just Cause, the invasion of Panama, in December 1989 – January 1990. During Desert Shield, the wing flew approximately 17,000 flying hours and airlifted a total of 131,275 tons of cargo in support of combat operations after the Iraqi invasion of Kuwait. Southern Air Transport cargo airline leased a hangar at the south east end of the base in the 1980s, during Iran Contra. Modern era In 1992, with the disestablishment of Military Airlift Command, Dover AFB was transferred to the newly established Air Mobility Command (AMC) and the 436 MAW and 512 MAW (Associate)