in inch
IN inertial navigation
incd incendiary
inf infantry
info information
ING Inactive National Guard
INS inertial navigation system
INSCOM Army Intelligence and Security Command
instal installation
instl installation
intel intelligence
IOE irregular outer edge
IOS instrumental observation and survey
IR infrared
IRBM intermediate-range ballistic missile
IRR Individual Ready Reserve
ISR intelligence, surveillance and reconnaissance
ITW/AA integrated tactical warning and attack assessment
JAG Judge Advocate General
JAGC Judge Advocate General’s Corps
JCC joint command and control ship
JCS Joint Chiefs of Staff
JDAM joint direct attack munition
JFACC Joint Force Air Component Commander
JFCOM US Joint Forces Command
JNN joint network node
JS joint staff
JTF joint task force
KE kinetic energy
KE proj kinetic energy projectile
KIA killed in action
kph kilometer per hour
kt knot
KV kill vehicle
L lewisite
LAAB Light Armored Assault Battalion
LAN local area network
LANTFLT Atlantic Fleet
LANTIRN Low-Altitude Navigation and Targeting Infrared for Night
LAR launch acceptance region
laser light amplification by stimulated emission of radiation
LAV Light Armored Vehicle
lb pound
LBP length between perpendiculars
LCAC landing craft, air cushion
LCC amphibious command ship
LCE logistics combat element
lchr launcher
LCS littoral combat ship
LDGP low-drag general purpose