Signed statement by Morris R. Jeppson, Bomb Test Officer for the Enola Gay, which dropped the first atomic bomb. Excerpt from the book ''Enola Gay'' reads in part, ''...Carefully he unscrewed the green plugs and inserted the red ones in their place, making the bomb a viable weapon. As he gave the last plug a final turn, even the 'ice-cool Jeppson' had to reflect that, 'this was a moment...Tibbets...addressed the crew, 'We are carrying the world's first atomic bomb...[signed] Morris R. Jeppson''. Single page measures 8.5'' x 11''. Near fine condition.