Terms:

gadget
gap
gap (imagery)
garble
gear
general agency agreement
general and complete disarmament
general cargo
general engineering
general map
general military intelligence
general orders
general purchasing agents
general quarters
general staff
general support-reinforcing
general war
generation (photography)
geographic reference points
geospatial engineering
geospatial information
geospatial information and services
geospatial intelligence
geospatial-ntelligence contingency package
glide bomb
glide mode
Global Air Transportation Execution System
Global Combat Support System-Joint
Global Command and Control System
Global Decision Support System
global distribution
global distribution of materiel
Global Information Grid
global information infrastructure
Global Network Operations Center
Global Patient Movement Requirements Center
Global Positioning System
global transportation management
Global Transportation Network
go no-go
governing factors
government-owned, contract-operated ships
government-owned, Military Sealift Command-operated ships
gradient
grand strategy
graves registration program
Greenwich Mean Time
grey propaganda
grid
grid bearing
grid convergence
grossly transportation feasible
ground combat element
ground fire
ground liaison officer
ground observer center
ground visibility
group
group rendezvous
guard
guarded frequencies
guerrilla
guerrilla force
guided missile
gun