Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Ralph D. Belanger

Assistant Flight Engineer on The Great ArtisteNagasaki Mission

Tinian IslandWendover, UT
509th Composite GroupManhattan Project VeteranMilitary VeteranNagasaki Mission
Bockscar Original (C-13) Crew

Sergeant Ralph Belanger was an Assistant Flight Engineer assigned to the Bockscar’s original crew. He was a member of the 393rd Bombardment Squadron, a segment of the 509th Composite Group.  Before the Nagasaki mission, a mechanical complication forced Major Sweeney and the crew of the Great Artiste to comandeer the Bockscar to carry Fat Man. During the Nagasaki mission, Belanger flew on the Great Artiste, which acted as an observation ship, along with the rest of the original Bockscar crew.

Related Profiles

George Economou

Los Alamos, NM

George Economou was an optical systems expert.  Economou graduated from Harvard University with a degree in astronomy.

John J. Hecthberger

Los Alamos, NM

Gerold H. Tenney

Los Alamos, NM

Gerold Tenney was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

John J. Carli, Jr.

Los Alamos, NM