jp1_02

As Amended Through 15 March 2013
agreement, express or implied, with the civil authority of the territory. See also civil
affairs agreement. (JP 4-02)
oceanography — The study of the sea, embracing and integrating all knowledge pertaining
to the sea and its physical boundaries, the chemistry and physics of seawater, and
marine biology. (JP 3-59)
offensive counterair — Offensive operations to destroy, disrupt, or neutralize enemy
aircraft, missiles, launch platforms, and their supporting structures and systems both
before and after launch, and as close to their source as possible. Also called OCA. See
also counterair; defensive counterair; operation. (JP 3-01)
offensive counterair attack operations — Offensive action by any part of the joint force in
support of the offensive counterair mission against surface targets which contribute to
the enemy’s air and missile capabilities. Also called OCA attack operations. See
also counterair; offensive counterair. (JP 3-01)
offensive counterintelligence operation — A clandestine counterintelligence activity
conducted for military, strategic, Department of Defense, or national
counterintelligence and security purposes against a target having suspected or known
affiliation with foreign intelligence entities, international terrorism, or other foreign
persons or organizations, to counter terrorism, espionage, or other clandestine
intelligence activities that threaten the security of the Department or the United States.
The two types of offensive counterintelligence operations are double agent operation
and controlled source operation. Also called OFCO. (JP 2-01.2)
offensive cyberspace operations — Cyberspace operations intended to project power by
the application of force in or through cyberspace. Also called OCO. (JP 3-12)
offensive space control — Those operations to prevent an adversary’s hostile use of
US/third party space capabilities and services or negate (disrupt, deny, degrade,
deceive, or destroy) an adversary’s space capabilities. (JP 3-14)
office — An enduring organization that is formed around a specific function within a joint
force commander’s headquarters to coordinate and manage support requirements.
(JP 3-33)
officer in tactical command — In maritime usage, the senior officer present eligible to
assume command, or the officer to whom the senior officer has delegated tactical
command. Also called OTC.
officer of the deck — 1. When underway, the officer designated by the commanding officer
to be in charge of the ship, including its safe and proper operation. 2. When in port or
at anchor, the officer of the deck is designated by the command duty officer, has similar
responsibilities, and may be enlisted. Also called OOD. (JP 3-04)
208 JP 1-02