The hand-drawn flightplan for bombing mission on Hiroshima is now for sale . Unseen documents were kept by co-pilot of plane that dropped atom bomb . Captain Lewis was in the Enola Gay B29 bomber on August 6 , 1945 . Remarkable drawings put to auction by his son expected to fetch £300,000 .
The hand-drawn flightplan for bombing mission on Hiroshima is now for sale . Unseen documents were kept by co-pilot of plane that dropped atom bomb . Captain Robert Lewis was in the Enola Gay B29 bomber on August 6 , 1945 . Remarkable drawings put to auction by his son expected to fetch £300,000 .