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Answer - Air Force, as per:Joint Publication 3-30,Command and Control of Joint Air Operations, 10 February 2014:"The JFC will normally assign JFACC responsibilities tothe component commander having the preponderance offorces to be tasked and the ability to effectively plan, task,and control joint air operations. However, the JFC willalways consider the mission, nature, and duration of theoperation, force capabilities, and the C2 capabilities inselecting a commander."component commander is another way of saying the commander of a unit with in the military service type (Army, Navy, Marine, Air Force, et cetera)
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