(2) 5. Faildre of an engine or any primary aircraft system such as hydraulic, oxygen, electric, controls, flight instruments, etc, (3) Failure of Rad-Safe or any other specialized equipment (4) Serious injury to or incapacitating illness of a crew member, (5) Fadlure of APX-6 IFF equipment in F-84's or SAR aircraft, (6) Failure of VHF radio equipment in F-84's, (7) Failure of positioning radar in effects aircraft, (8) Inability of Control RB-~36 to establish or maintain (9) Failure of IFF interrogator and/or HF Homer in Control essential to the completion of the mission, radio contact With F-84's, RB-36 (Discretion of Senior Controller), GENERAL: a, F-~84's: In the event one (1) F-84 from a two (2) ship element b. Control RB-36: is forced to abort the other aircraft of that element will accompany it to base, In the event the Control RB-36 is forced to abort prior to take-off, the scientific and control team will board the back-up Control B-36 and take-off with as little delay as possible, In the event the Control RB~36 is forced to begin an abort prior to H plus two (2) hours, upon landing the scientific and control team will board the back up B-36 Control Aircraft which will be standing by with engines running, The CIC will take over control of all airborne F-84's ami SAR aircraft for the duration of any period in which the B-36 Control Aircraft is not available and will coordinate all readjustments necessary in F-84 flight plans, In the event of abort by the Control RB-36 after H plus two (2) hours, the sampling operation will be cancelled, unless otherwise directed by CTG 7.4, Instructions pertinent to this situation will be relayed to all concerned agencies by the CIC, USS ESTES, HOWELL M, ESTES, JR, Brigadier General, U. S, A, F. Commander "Eel. Lt Colonel, USAF Director of Operations TASK GROUP 7.4 OPRS ORDER NO, 2-54 ANNEX "Vy" Ve2