MA1
MA-1 may refer to:
Bennett MA-1 ventilator, a powerful medical ventilator to assist respiration
Fire control system used on the F-106 interceptor
MA-1 bomber jacket, a nylon flight jacket
DI MA-1 rifle, a Myanma variant of the IMI Galil
U.S. Route 1 in Massachusetts
Massachusetts's 1st congressional district
HD Radio's AM hybrid mode
Mercury-Atlas 1, a test flight of Project Mercury
Mal'ta boy, Paleolithic human remains
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