active duty

(21)The term “active duty” means— (A)full-time duty in the Armed Forces, other than active duty for training; (B)full-time duty (other than for training purposes) as a commissioned officer of the Regular or Reserve Corps of the Public Health Service (i) on or after, or (ii) before that date under circumstances affording entitlement to “full military benefits” or (iii) at any time, for the purposes of (C)full-time duty as a commissioned officer of the National Oceanic and Atmospheric Administration or its predecessor organization the Coast and Geodetic Survey (i) on or after, or (ii) before that date (I) while on transfer to one of the Armed Forces, or (II) while, in time of war or national emergency declared by the President, assigned to duty on a project for one of the Armed Forces in an area determined by the Secretary of Defense to be of immediate military hazard, or (III) in the Philippine Islands on, and continuously in such islands thereafter, or (iii) at any time, for the purposes of (D)service as a cadet at the United States Military, Air Force, or Coast Guard Academy, or as a midshipman at the United States Naval Academy; and (E)authorized travel to or from such duty or service.

Source

38 USC § 101(21)


Scoping language

For the purposes of this title
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