Kevin Brooks posted:

Active Component, versus RC (Reserve Component). I believe the term is
commonly used in both the Army and Air Force these days.

As opposed to Guard pukes, and Reserve pukes...the circle of AF types
I routinely communicate with didn't get the memo.

I believe it can prevent some degree of confusion,

And yet...

A lot of ANG and ARNG units are on "active duty" right now in
Iraq--but they remain "reserve component" units.

My fault for not applying current nomenclature for historical
purposes.