GCE ground combat element
GCS guidance and control section
gd guard
GD soman
GE General Electric
gen general
GEO (93) geosynchronous
GEV ground effect vehicle
GIG global information grid
GLCM ground-launched cruise missile
gli glider
GM guided missile
GMD Ground-based Midcourse Defense
GMLA guided missile launch assembly
gnd ground
gnd cbt ground combat
gnd recon ground reconnaissance
gnr gunner
gp group
GP general purpose
GPMG general purpose machine gun
GPS Global Positioning System
GPWS ground proximity warning system
gr grade
GS general support
GSR general support reinforcing
GTP ground tactical plan
GZ ground zero
HCLOS high-capacity line-of-site
HD (sulphur) mustard
HDD head-down display
HDSB heavy dry support bridge
HDTV high-definition television
HE high-explosive
HEAT (122) high explosive antitank
HEAT proj (122) high explosive antitank projectile
HEDP high-explosive dual purpose
hel helicopter
HEMAT heavy expanded mobility ammunition trailer
HEMTT heavy expanded mobility tactical truck
HEP high-explosive plastic
HERA high-explosive rocket assisted
HF high frequency
HHB headquarters and headquarters battery
HHC headquarters and headquarters company
HHD headquarters and headquarters detachment
HHS headquarters, headquarters and service
HHT headquarters and headquarters troop
HIMAD high-to-medium-altitude air defense
HIMARS High Mobility Artillery Rocket System