(Air Force Dept., AFM 88-11, chap. 3, [Change] 4.) ([Formerly designated Corps of Engineers manual 1110-345-243. [Supersedes Change 3, Aug. 15, 1960.]
Notes:
(Air Force Dept., AFM 88-11, chap. 3, [Change] 4.) ([Formerly designated Corps of Engineers manual 1110-345-243. [Supersedes Change 3, Aug. 15, 1960.] ‡ Official Use. Not Available.