M2O-1, MS-1, N2M-1 Patrol Planes
the MB-2's triumph over the battleship,
1921 was a grim year for Martin. The firm
shrank from almost 400 employees to a core
of 90 before the Navy came to the rescue.
Displaying a remarkable lack of ill will
towards battleship-slayers, the Navy ordered
four experimental models from Martin between
1922 and 1924, keeping the new factory afloat.