(Air Force Dept., AFM 88-11, chap. 1, C. 4.) [Supersedes Corps of Engineers manual EM 1110-241. Sept. 1, 1958, and AFM 88-11, chap. 1, Sept. 1, 1958.]
Notes:
(Air Force Dept., AFM 88-11, chap. 1, C. 4.) [Supersedes Corps of Engineers manual EM 1110-241. Sept. 1, 1958, and AFM 88-11, chap. 1, Sept. 1, 1958.] ‡ Official Use. Not Available.