BuNos! Martin XPB2M-1R and JRM Mars
Campbell, Douglas E. Glenn L. Martin's Mars aircraft, the largest operational seaplane manufactured in the United States, had its beginnings based on an earlier seaplane Mr. Martin built-the Pan American Airlines' "China Clipper." What began In 1938 as a four-engined "aerial battleship" carrying ten tons of bombs-complete with a wingspan of 200 feet and a two-story hull 120 feet long-the XPB2M-1 prototype Mars soon transitioned to a trans-Pacific transport and air...