A B C D E F G H I J K L M N O P Q R S T U V W X Y Z N°

G	Gain
G	Acceleration of Gravity
G	Giga (109)
G	Gravitational Force
G/A	Ground / Air
GA	Ground Attack
GaAs	Gallium Arsenide
GAG	Ground-Air-Ground
GATR	Ground to Air Transmitter Receiver
GBJ	Ground Based Jamming
GBU	Guided Bomb Unit
GCI	Ground-Controlled Intercept
GCN	Ground Communications Network
GEODSS	Ground-based Electro-Optical Deep Space Surveillance
GFE	government-Furnished Equipment
GHz	Gigahertz (1 x 109 Hertz or Cycles per second)
GLCM	Ground-Launched Cruise Missile
GLO	Ground Liaison Officer
GMT	Greenwich Mean Time (Zulu)
GP	General Purpose
GPC	General Purpose Computer
GPS	Global Positioning System
GS	General Staff
GS	General Support
GSCC	Ground-Controlled Intercept Sector Control Centre
GW	Guided Weapon
GZ	Ground Zero