What does DCA stand for?

Defensive Counterair (US DoD)

This definition appears very rarely and is found in the following Acronym Finder categories:

Military and Government

Other Resources:

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Debt Collection Agency Debt Counselors of America Decline Curve Analysis Defense Communications Agency Defense Contracting Agency Défense Contre Avions (French: Anti Aircraft Defence) Defense Cooperation Agreements (US DoD) Defense Cooperation in Armaments Defense Courier Agency Défense du Citoyen Automobiliste (French: Defense of the Citizen Motorist)		Deferred Compensation Arrangement Deficit Control Act Delegation of Contracting Authority Delta Club d'Annecy (French hang gliding club) Démocratie Châtillonnaise Aujourd'hui (French political association) Denison Community Association Deoxycorticosterone Acetate (CAS Number 56-47-3) Département des Conduites Addictives (French: Department of Addictive Behavior) Department for Constitutional Affairs (UK) Department of Civil Aviation

Samples in periodicals archive:

We would do better to utilize it as offensive-counterair support to penetrating bombers, as well as defensive counterair for high-value airborne assets.

America's two air forces

CAS execution has a long list of associated tasks that must be synchronized with the mission: aircraft maintenance, aerial refueling plans, ordnance configuration and loading, defensive counterair planning, electronic warfare (EW) planning, updated imagery requirements, weather assessments and others that need some lead time.

CAS: myths, realities and planning principles

Less than fifteen years after the first powered flight, military aircraft were carrying out reconnaissance, offensive and defensive counterair, and strategic and tactical bombing missions.

Space-based weapons: long-term strategic implications and alternatives

10) The DATF flew every type of mission called for by Supreme Allied Commander, Europe (SACEUR [NATO]), including defensive counterair, night attack, and reconnaissance.

The Benelux Deployable Air Task Force: a model for EU/NATO defense ...

20) When the Airborne Laser (ABL) destroys ascending enemy missiles, it provides defensive counterair and is thus a second layer of defense.

Attack operations: first layer of an integrated missile defense

The latter, contained in AFDD 2-1, Air Warfare, divides the counterair mission into offensive counterair (OCA) and defensive counterair (DCA).

A new construct for Air Force counterspace doctrine. (Vortices)