II 125 20. Planning Directive 5-57, Operation HARDTACK, Task Gp. 7.4 (Prove), 17 Oot. 57, in Task Gp. 7.4 hist. files. 21. Operation Plan 1-58, Operation HARDTACK, Task Gp. 7.4, Prove, 6 Jane 58, in Task Gp. 7.4 hist. files. 22. Joint messageform AFOOP-OP-U3, Hq. USAF to several addressees, 9 Jan. 58. 23. ‘TWX DOOPW 1908, fr. CINCSAC to Comdr. Task Gp. 7.4, 14 Feb. 58, in D/O files. 24. 25. 26. Amend. #1 (dtd. 19 Feb. 58) .to Operation Plan 1-58, in Task Gp. 7.4 hist. files. Standard Operating Procedures for Search and Rescue Operations during Operation HARDTACK, H. Task Gp. 7.4, no date, in D/O files. Incl. 32: Ltr., Comdr., Task Gp. 7.4 to several addressees, subj. ~ Monitor Training, 29 Oct. 57. 27. Memo for the Comér, fr. Dep. Dir. of Ops., Task Gp. 7.4, no date, 28. Inel. 29. Subj.: Staff Visit to Task Group 7.1, in D/O files. 33: Memo for the Col. W. B. Walker, Jr. Comdr. » 10 Oct. 57, subj. Trip Report, Lt. Aircraft Maintenance Plan, Hq. Task Gp. 7.4, 23 Oct. 57, in D/M files. AFWL/ iQ up