In subsection (a), the words “members of the Air Force” are substituted for the words “personnel of the Air Force of the United States, without regard to component”.

In subsection (b), the words “is detailed under subsection (a)” are substituted for the words “receives such instruction”. The words “as long as the detail” are substituted for the words “equal to the duration of his period of instruction”. The words “However, if the detail is for” are substituted for the words “except that where the duration of such training is”. The words “other than one of the Regular Air Force on the active list” are inserted, since members of the Regular Air Force on the active list are on continuous active duty. The word “additional” is inserted, since the detail under this section is active duty. The words “the officer may be ordered to that additional duty” are substituted for the words “such subsequent active duty may * * * the officer concerned”.

In subsection (c), the words “of whose Air National Guard he is a member” are substituted for the words “whichever is concerned”.

In subsection (d), the words “as a condition of a detail under subsection (a)” are substituted for the words “prior to his detail pursuant to the provisions of this paragraph”. The words “accept the discharge” are substituted for the words “be discharged”.

In subsection (e), the words “during an enlistment” are inserted for clarity.

In subsection (f), the last sentence is substituted for 5:626q (words within parentheses of last proviso).

In subsection (g), the words “under this section” are substituted for 5:626r (9th through 41st words).

2023—Subsec. (b). Pub. L. 118–31, § 1721(b)(1), struck out “or the Regular Space Force” after “Regular Air Force” and inserted “or one of the Space Force in a space force active status not on sustained duty,” after “on the active-duty list,”.

Subsec. (c). Pub. L. 118–31, § 1721(b)(2), substituted “or member of the Space Force in a space force active status not on sustained duty” for “or Reserve of the Space Force” and “the member’s consent” for “the Reserve’s consent”.

Subsec. (f). Pub. L. 118–31, § 1721(b)(3), substituted “of Space Force members on sustained duty” for “the Regular Space Force” and “of Space Force members in an active status not on sustained duty” for “the Space Force Reserve”.

2021—Pub. L. 117–81 inserted a comma after “observers” in section catchline.

Pub. L. 116–283, § 923(d)(1)(C), substituted “Members of Air Force and Space Force: detail as students, observers and investigators at educational institutions, industrial plants, and hospitals” for “Members of Air Force: detail as students, observers, and investigators at educational institutions, industrial plants, and hospitals” in section catchline.

Subsec. (a). Pub. L. 116–283, § 923(d)(1)(A)(i), inserted “and members of the Space Force” after “members of the Air Force”.

Subsec. (b). Pub. L. 116–283, § 923(d)(1)(A)(ii), inserted “or the Regular Space Force” after “Regular Air Force”.

Subsec. (c). Pub. L. 116–283, § 923(d)(1)(A)(iii), (B), inserted “or Reserve of the Space Force” after “Reserve of the Air Force” and substituted “the Reserve’s” for “his” and “the Reserve” for “he”.

Subsec. (e). Pub. L. 116–283, § 923(d)(1)(A)(iv), inserted “or the Space Force” after “Air Force”.

Subsec. (f). Pub. L. 116–283, § 923(d)(1)(A)(v)(II), which directed amendment by inserting “or the Space Force Reserve” after “the reserve components of the Air Force”, was executed by making the insertion after “the total of reserve components of the Air Force” to reflect the probable intent of Congress.

Pub. L. 116–283, § 923(d)(1)(A)(v)(I), inserted “or the Regular Space Force” after “Regular Air Force”.

2018—Pub. L. 115–232 renumbered section 9301 of this title as this section.

2006—Subsec. (c). Pub. L. 109–163 substituted “State, the Commonwealth of Puerto Rico, the District of Columbia, Guam, or the Virgin Islands” for “State or Territory, Puerto Rico, or the District of Columbia”.

1988—Subsec. (c). Pub. L. 100–456 struck out “the Canal Zone,” after “Puerto Rico,”.

1980—Subsec. (b). Pub. L. 96–513 substituted “active-duty list” for “active list”.

1973—Subsec. (b). Pub. L. 93–169 struck out provisions which limited to four years the maximum period for which an officer detailed for additional active duty upon termination of detail is required to serve.

Amendment by Pub. L. 115–232 effective Feb. 1, 2019, with provision for the coordination of amendments and special rule for certain redesignations, see section 800 of Pub. L. 115–232, set out as a note preceding section 3001 of this title.

Amendment by Pub. L. 96–513 effective Sept. 15, 1981, see section 701 of Pub. L. 96–513, set out as a note under section 101 of this title.