listening post
LP/OP
listening post observation post
LT
local time; light; lieutenant
LTL
laser (to) target line (azimuth)
L/U
linkup
LZ
landing zone
MAW
medium antitank weapon
MAX
maximum
MBA
main battle area
MBITR
multiband inter-team radio
MCS
maneuver control system
MD
map distance
MDL
mission deployment load
MDMP
military decision-making process
MEDEVAC
medical evacuation
MEL
maximum engagement line
METL
mission essential task list
METT-TC
mission, enemy, terrain and weather, troops available, time available, and civilian considerations
MG
machine gun
MGRS
military grid reference system (map)
MGS
mobile gun system
MIA
missing in action
MIL
milradian (6400 to a circle)
MILDOT
equals 3.25 MOA
MIN
minimum
MOA
minute of angle (1 inch @ 100 meters, 2 inch @ 200); memorandum of agreement
MOLLE
modular lightweight load-carrying equipment
MOPP
mission-oriented protective posture
MOUT
military operations in urban terrain
MRE
meal, ready to eat
MSL
mean sea level (feet)
MSR
main service route
MSS
mission support site
MTC
movement to contact
MTOE
modified table of organization and equipment
MTP
mission training plan
MVMT
movement
MWR
morale, welfare, and relaxation
N
north
N/A
not applicable
NAI
named area of interest
NATO
North Atlantic Treaty Organization
NBC
nuclear, biological, chemical
NCIS
Naval Criminal Investigative Service
NCO
noncommissioned officer
ND
negligent discharge
NEW
net explosive weight
NIR
near-infrared
NLT
not later than
NM
nautical miles
NOD
night optical device
NVD
night vision devices
NVG
night vision goggle
OAKOC + Water
obstacles (avenues of approach, key terrain, observation/fields of fire, cover and concealment, and water sources)
OBJ
objective
OCOKA
observation, cover and concealment, obstacles, key terrain, avenues of approach
OGA
other government agency
OH
observation helicopter
OP
observation post
OPCON
operational control
OPLAN
operations plan
OPORD
operations order
OPSEC
operations security
OPSKEDS
operation schedule
ORP
objective rally point
O/S
offset (used in nine-line CAS)
OSI
Office of Security Investigations (US Air Force)
OT
observer to target (line) azimuth
PAC
personnel and administration center
PACE
primary, alternate, contingency, and emergency
PAX
persons/passenger
PB
patrol base
PC
precious cargo
PCC
pre-combat check
PCI
pre-combat inspection
PD
point of departure
principal direction of fire
PDSS
pre-deployment site survey
PIR
priority of intelligence requirement
PJ
parajumper (Air Force trauma medic)
PL
phase line; platoon leader
PLT
platoon
PMCS
preventive maintenance checks and services
POC
point of contact
POSNAV
position navigation
PRI
primary
PSG
platoon sergeant
PSYOP
psychological operations
P/U
pickup (point)
PUC
person under control
PUP
pop-up point
PW
prisoner of war
PZ
pickup zone
QRF
quick reaction force
RAP
rocket-assisted projectile
RATELO
radiotelephone operator
RD
road; round or ammunition
RDF
radio direction finder
RDS
ammunition
RDVU
rendezvous point
RECON
reconnaissance
REDCON
readiness condition
RF
representative fraction
RFA
restrictive fire area
RFL
restrictive fire line
RGR
roger; Ranger
ROCK DRILL
a rehearsal that takes place in a small area
ROE
rules of engagement
ROI
rules of interaction
ROPE
mark a target with an IR laser (circle pattern)—LASSO; fast rope insertion/infiltration
RP
rally point; release point
RPG
rocket-propelled grenade
RPM
revolutions per minute
RPV
remotely piloted vehicle
RRP
reentry rally point
R&S
reconnaissance and security
RS
road space
RSTA
reconnaissance, surveillance, and target acquisition
RT
receiver-transmitter
RTO
radiotelephone operator
S-
staff
S-1
administration/personnel
S-2
intelligence
S-3
operations
S-4
supply
S-5
public affairs
S-6
communications
S/A
staging area
SA
situational awareness
SALUTE
size, activity, location, uniform, time, and equipment
SASO
stability and support operations
SAT
satellite
SAT COM
satellite communications
SAW
squad automatic weapon
SBCT
Stryker brigade combat team
SBF
support by fire
SC
single-channel
SCIF
sensitive compartmented information facility
SE
spot elevation
SEC
section; second
SF
Special Forces, US Army
SINCGARS
single-channel ground and airborne radio system
SITREP
situation report
SL
squad leader
SM
signal mirror
S/O
sniper observer
SOA
Special Operations area
SOF
Special Operations Force
SOI
signal operation instructions
SOP
standard/standing operating procedure
SOSR
suppress, obscure, secure, and reduce
SOTAC
Special Operations terminal attack controller
SP
start point
SPARKLE
marking of target with IR laser
SPEED BALL
emergency resupply bundle
SPLASH fire
support round hitting target area
SPOTREP
spot report
SQD
squad
SR
special reconnaissance
SSE
sensitive site exploitation
SSN
social security number
TAC-P
tactical air command party