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U.S. Air Force Helicopter History
Robert I. Quillen, Captain, USAF (Fallen)May 31, 1921 – September 06, 1956
Helicopter Type UnknownDayton, Ohio6 September 1956
St. Louis Post-Dispatch (St. Louis, MO)Sat, Sep. 08, 1956, page 11
Killed In Helicopter Crash
DAYTON, OH, Sept. 7 (AP) — Capt. Robert I. Quillen of Dayton, an Air Force pilot was killed yesterday when the Sikorsky-built helicopter he was operating crashed and burned near a runway at the Wright Air Development Center. Air Force officials said the main rotor may have became detached from the helicopter. They added that helicopter crashes are “extremely rare”.