The bomb was named Name_conferral `` Gilda '' after Rita Hayworth 's character in the 1946 film `` Gilda '' , and was dropped Motion_directional from the B-29 Superfortress `` Dave 's Dream '' of the 509th Bombardment Group on July 1 , 1946 .

The bomb was named Name_conferral `` Gilda '' after Rita Hayworth 's character in the 1946 film `` Gilda '' , and was dropped Motion_directional from the B-29 Superfortress `` Dave 's Dream '' of the 509th Bombardment Group on July 1 , 1946 .