Introduction
The infiltration of agents behind enemy lines during World War II could be accomplished without undue technical difficulty, thanks to the use of parachutes. Thousands of individuals descended upon occupied Europe through “Joe holes” in Royal Air Force Halifaxes and Army Air Force B-24s, or out the side doors of C-47s. Extraction of personnel, however, proved a far more challenging task. Usually, individuals had to exfiltrate enemy territory by hazardous land routes. Sometimes they could be flown out by light aircraft, like the British Lysander, that landed at night on makeshift airstrips.
All American System
An innovative extraction method, reportedly used by the British toward the end of the war, involved the use of a modified version of a mail pickup system that had been invented by Lytle S. Brown during the 1920s and perfected before Pearl Harbor by All American Aviation. The All American system used two steel poles, set 54 feet apart, with a transfer line strung between
them. An aircraft approached the ground station in a gentle glide of 90 mph, while a flight mechanic paid out a 50-foot steel cable. As the aircraft pulled up, a four-finger grapple at the end of the cable engaged the transfer rope, shock absorbers cushioned the impact, and
then the flight mechanic winched the mail pouch on board.
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The Downey and Fecteau Story
This article makes mention of the disastrous ambush of an attempted pickup of a Chinese agent in northeast China in 1952. The crew of the C-47 aircraft was killed but two CIA officers on board the flight survived and were held captive in the People’s Republic of China until 1971 and 1973.