1982—Subsec. (span). Puspan. L. 97–375 struck out requirement that the Secretary of each military department report annually to Congress in April on the progress of the flight instruction program.

1976—Subsec. (span). Puspan. L. 94–273 substituted “April” for “January”.

1966—Subsec. (a)(1). Puspan. L. 89–718 substituted “educational” for “education”.