After questions and discussion there was a 15-minute break, meeting was resumed at 9: 45 a.m. The , The next presentation, on fuzing questions, bonb release methods, | Fuzing and the thermonuclear weapon program was made byMr. R, W, Henderson, He reviewed the developments in fuzing strategic and tactical bombs; In order to simplify field logistics, baronetric fuzing (fuze A) was substituted for the earlier radar fuzing in strategic weapons. contact fuze is also used, A Fuze B, developed for tactical applications of the MK-7 bomb has radar air burst, timer, andcontact: fuses, With respect to the number of options (burst altitude,separation times, etc.) which the tactical fuze should present to the pilot; operating "experience and systems studies have indicated that the present seven options sheuld be reduced, “When agreement on details has been reached, the simplification will be applied actoss the board:. The problem of retarding trajectories in order to give the plane Retarded time to get away was discussed, Trajec=- _ tories . An air brake, gelled the Rotochute ; . and working on the autogyro principle, is being tested. _ . On the MK-7 Mr. Henderson next discussed various carryi for Tying arrangements B the MK-7 bomb (external versus bomb bay for supersonic delivery). ee ewe hor tute sb owed DOB ARCHIVES