Photo Gallery 5-Bell Helicopter AH-1S/M138 RMS

AH-1S / M138 RMS Test at Yuma Proving Grounds (1976)
AH-1S / M138 RMS Test at Yuma Proving Grounds

Tom Grigg, founder of GriggTech, was Project Engineer and principle designer of the M138 Rocket Management System the first microprocessor-based weapon system of its type. These photos were taken just prior to the initial successful test of the M138 RMS aboard the Bell Helicopter Textron / US Army AH-1S Cobra attack helicopter.

M138 Operation Units (OU)
M138 Operation Units (OU)
M138 AMS on Test Bench (1976)
M138 AMS on Test Bench