MARINE AIR COMMAND AND
CONTROL SYSTEM (MACCS)
The Marine air-ground task force (MAGTF) commander is responsible for all MAGTF
operations. The MAGTF commander normally delegates authority over air operations to
the aviation combat element (ACE) commander. The ACE commander exercises
command and control of ACE assets through the Marine air command and control system
(MACCS). The MACCS performs battlespace management and control requirements
necessary for effective employment of MAGTF operations. Battlespace management is a
command function of the MACCS and is centralized at the tactical air command center
(TACC). Control requirements of the MACCS are decentralized throughout the
subordinate agencies of the MACCS. The following agencies are components of the
MACCS.
Tactical Air Command Center (TACC)
The TACC functions as the senior MAGTF air command and control agency to provide
supervision and operational management of the MACCS. In an amphibious operation, this
entity will be called the tactical air direction center (TADC) until control has been passed
ashore.
Direct Air Support Center (DASC)
The DASC processes immediate air support requests, coordinates aircraft employment
with other supporting arms, manages terminal control assets supporting ground combat
and combat service support forces, and controls assigned aircraft transiting its area of
responsibility.
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http://webapp1.dlib.indiana.edu/virtual_disk_library/index.cgi/4240529/FID521/pdfdocs/jel/jp3_33/MARINES/0204mc.pdf