3. OMio paeney ACT 1954 Instr..nt carriers, whose mission was to Nia. ic ACT abcut many of the phenomena associated with nuclear detonations,. 4. Photographic aircraft, whose mission was to furnish a platform from which still and motion picture photography of nuclear detonaticns and lecations connected with nuclear testing could be taken. During Operation HARDTACK, test aircraft flew 307 sorties on test missions and a total of 3590 li COPIED eve PAUL RO heurs during the entire operation. SOMED TCT vrobl ok pet - 103 ee as