Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Eugene S. Grennan

Flight Engineer on the Straight FlushHiroshima Mission

Tinian IslandWendover, UT
509th Composite GroupHiroshima MissionManhattan Project VeteranMilitary Veteran
The Straight Flush

Eugene S. Grennan served as a 2nd lieutenant in the 509th Composite Group. He was the flight engineer on the Straight Flush during the Hiroshima mission.

Related Profiles

James E. Hall

Los Alamos, NM

G. N. Sawdy

Y-12 Plant

G. N. Sawdy worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Joseph Walter Bunch

Y-12 Plant

Bunch worked at the Y-12 plant at Oak Ridge during the Manhattan Project.

H. W. Oldfield

Oak Ridge, TN

H. W. Oldfield worked for the Roane-Anderson Company.