Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Francis D. Thornhill

Navigator on the Straight FlushHiroshima Mission

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

Francis D. Thornhill served as a captain in the 393rd Bombardment Squadron. He was the navigator on the Straight Flush during the Hiroshima mission.

Related Profiles

Jack L. Callan

Chicago, IL

Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. R. Mims

Hanford, WA

J. J. Donovan

Oak Ridge, TN

J. J. Donovan worked for the H. K. Ferguson Company.

Francis X. Dolan

Nagasaki Mission

Francis X. Dolan was a sergeant in the 393rd Bombardment Squadron. He served as the radio operator of the Necessary Evil, but flew in the Big Stink during the Nagasaki Mission.