William Ronald Pinkerton, 2nd Lt., USAF (Fallen)
February 25, 1931 – February 21, 1955

Air Force VETERAN, Lt. Flying-Training Wing, died from accident at Gary Air Force Base, San Marcos, TX.

H-21A #51-15261
San Marcos, Texas
21 February 1955

The Daily Telegram (Eau Claire, Wisconsin),
Tue, Feb. 22, 1955, page 1

Helicopter Crash Kills Wausau Man

SAN MARCOS, Tex. (AP)  Three Air Force officers, one of them from Wisconsin, were killed Sunday when their helicopter crashed at an auxiliary field near San Marcos.

The Gary Air Base identified the dead as Capt. William Evans, 31, San Marcos, instructor-pilot; 2nd Lt. William Pinkerton, of Marion, Ind., and 2nd Lt. Lyle K. Fuller, 22, of Wausau.

Pinkerton was pilot of the new twin-rotor craft. He and fuller were taking transition training in order to the checked out on the new H-21 helicopter.