|أحمد محمد لبن Ahmad.M.Lbn|
مؤسس ومدير المنتدى
عدد المساهمات : 42963
العمر : 71
|موضوع: O الثلاثاء 07 ديسمبر 2021, 12:46 am|| |
(Chem.) oxygen O
Operations and Maintenance O&M
octavo, off, old, only, order o.
Ocean, octavo, Ohio O.
olive drab, overdraft, over drawn O. D.
observation post O. P.
Organization of America States O.A.S.
Oxford English Dictionary O.E.D.
Organization for European Economic Cooperation O.E.E.C.
On Her Majesty’s Service, on His Majesty’s Service O.H.M.S.
Office of International Trade O.I.T.
order of merit O.M.
Office of Naval Intelligence O.N.I.
Office of Navel Research O.N.R.
occupational therapy, Old Testament, overtime O.T.
on account o/a
out of stock o/s
Operational Analysis OA
Organization of Arab Petroleum Exporting Countries OAPEC
Offensive Avionics System OAS
Organization of American States OAS
Office of the Assistant Secretary of Defense OASD
Office of the Assistant to the Secretary of Defense for Health Affairs OASD(HA)
Office of the Assistant Secretary of Defense (Defense Research & Engineering) OASD/(DR&E)
Office of the Assistant Secretary of Defense (Special Operations/Low Intensity Conflict) OASD/(SO/LIC)
Operational Applications of Special Intelligence Systems OASIS
Outside air temperature. OAT
Organization of African Unity OAU
Order of Battle OB
He or She died, incidentally, obstetric, obstetrics ob.
onboard electronic warfare simulator OBEWS
object, objection, objective obj.
oblique, oblong obl.
Onboard oxygen generating system. OBOGS
observation, observatory, obsolete, obstetric,
obstetric, obstetrics obstet.
Offensive Counter Air OCA
Operational Control Center OCC
occasional, occasionally occas.
Operations Control and Command Information System OCCIS
Optical Covert Communications Using Laser Transceivers OCCULT
Observation Command Post OCP
operational conversion unit(s) OCU
official development assistance ODA
Office of the Deputy Chief of Staff for Logistics ODCSLOG
Office of the Deputy Chief of Staff for Operations and PI ODCSOPS
Office of the Deputy Chief of Staff for Personnel ODCSPER
Old English OE. or O.E.
Organization for Economic Cooperation and Development OECD
Organization of Eastern Caribbean States OECS
operational evaluation demonstration OED
One engine inoperative. OEI
Original equipment manufacturer OEM
Operational Evaluation Unit. OEU
Ordnance and explosive waste OEW
Overhead foxhole cover OFC
official (in Military Balance) off
offered, office, officer, official off.
Otto Fuel Monitor OFM
Office of Procurement and Policy OFPP
Out of ground effect helicopter hovering, far above nearest surface. OGE
Overhead cam shaft OHC
Overhead valve OHV
Organization of the Islamic Conference OIC
Operational Intelligence Crisis Center OICC
Office of the Joint Chiefs of Staff OJCS
missile design bureau (Russia) OKB
operations module OM
Long-range hyperbolic radio navaid. Omega
Ballistic submarine communications project (US) Omen
Omni-bearing magnetic indicator. OMI
Generalized word meaning equal in all directions (as in omni-range, omni-flash beacon). omni
see United Nations Operation in Mozambique (UNOMOZ) ONUMOZ
United Nations Observer Mission in El Salvador ONUSAL
out of area OOA
other official flows OOF
objects of verification OOV
observation post/point/position OP
opera, operation, opposite, out of print op.
in the work cited. op. cit.
operational /operations op/ops
Opposing Air OPAIR
Operational Control OPCON
Organization for the Prohibition of Chemical Weapons OPCW
Offshore Petroleum Distribution System OPDS
Organization of Petroleum Exporting Countries OPEC
Operational evaluation. Opeval
Operation Plan OPLAN
Operation Order OPORD
opposed, opposite opp.
Operational Security OPSEC
optical, optician, optics, optional opt.
Combination of optics and electronics in viewing and sighting systems. optronics
Offshore Patrol Vessel OPV
operational requirement. Sometimes OR stands for Operational Research, but because of possible confusion with the term Operational Requirement, the term OA is generally used for this subject. OR
Off-route anti-tank mine system ORATMS
order, ordinal, ordinary ord.
Oregon Oreg. or Ore.
Operational readiness float ORF
organized / organization org
organic, organization, organized org.
origin, original, originally orig.
(Chem.) osmium Os,
Optical Submarine Communications by Aerospace Relay (US) OSCAR
Organization on Security and Cooperation in Europe OSCE
Office of the Secretary of Defense OSD
Office of Special Investigations (USAF) OSI
open systems interconnection OSI
Operational Support Package OSP
Outer Space Treaty OST
Officer in Tactical Command OTC
Over the horizon OTH
over-the-horizon backscatter OTHB
over-the-horizon radar OTHR
over-the-horizon radar / targeting OTHR/T
over-the-horizon, surface wave OTH-SW
On-top position indicator (indicates overhead of submarine in ASW). OTPI
Office of the Surgeon General OTSG
Onboard vehicle equipment OVE
Operating weight empty OWE
ounce, ounces oz.