—_ = MR 2cx) Project 5,4 - In-Flight Participation of a B-57B - lst Lt. H. M, Wells, Jr. OBJECTIVE The objective of this test was to measure the effects of a nuclear detonation on an in-flight B-57B aircraft weapons system, INSTRUMENTATION Out of 210 channels being recorded, 14 data channels were lost for various reasons and have been repaired or replaced by spares, AIRCRAFT POSITION IN SPACE The JB-57B was flying at an absolute altitude of 10,390 feet, ona 052° T heading in a 2° nose left position at H+ 0, Horizontal range to ground zero at H + O was 28,516 feet (aircraft traveling at 304 ft/sec). Aircraft position at time of shock arrival (H + 33.4 sec) was 46,311 feet beyond ground zero, Heading same as H + O, altitude 10,290 feet, speed 282 ft/sec. RESULTS ~~ eee

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