2d Antiaircraft Artillery Battalion (Composite)

The 2d Antiaircraft Artillery Battalion (Composite) (2d AAA Bn (C)) is a designation formerly used by units within the United States Marine Corps. These battalions were composite units, meaning they were formed from elements of different antiaircraft artillery (AAA) specialties, typically combining gun and missile batteries into a single organization. The specific composition could vary depending on the mission requirements and available resources.

The purpose of the 2d AAA Bn (C) was to provide close-in, low-altitude air defense for Marine Corps ground forces. This involved protecting vital assets such as command posts, supply depots, artillery positions, and maneuver elements from air attacks by enemy aircraft and missiles.

The "2d" in the designation indicated that the battalion was part of the 2d Marine Division or 2d Marine Aircraft Wing, or a supporting element thereof, depending on the period. The "antiaircraft artillery" designation reflects the historical role of these units in employing guns and missiles to engage aerial threats. The term "composite" signifies the integration of different weapon systems into a single unit, allowing for a more flexible and comprehensive air defense capability.

Over time, with changes in technology and operational doctrine, the organization and designation of these units have evolved. Modern Marine Corps air defense capabilities are now often integrated into combined arms teams and employ more sophisticated missile systems. While the 2d AAA Bn (C) designation may no longer be actively used, it represents a significant part of Marine Corps history in the evolution of air defense tactics and organization. The specific weapon systems employed by the 2d AAA Bn (C) would have varied throughout its history but could have included towed guns like the M1 40mm gun or missile systems like the MIM-23 HAWK. Historical records are needed to ascertain specific configurations at specific times.