RT @airandspace: TDIH 1943: Navy Martin Mars flying boat made 1st operational nonstop flight MD to Brazil. This pic shows one with a… twitter.com/i/web/status/8…
RT @airandspace: TDIH 1943: Navy Martin Mars flying boat made 1st operational nonstop flight MD to Brazil. This pic shows one with a… twitter.com/i/web/status/8…