Robert I. Quillen, Captain, USAF (Fallen)
May 31, 1921 – September 06, 1956

Helicopter Type Unknown
Dayton, Ohio
6 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”.