▁decode ▁messages ▁of ▁a ▁confident ial ▁or ▁secret ▁nature . ▁Details ▁of ▁such ▁equipment ▁is ▁class ified ▁and ▁not ▁described ▁here . ▁ ▁As ▁required ▁by ▁law , ▁the ▁ship ' s ▁Mer chant ▁Marine ▁Master ▁had ▁a ▁radio ▁room ▁and ▁a ▁radio ▁operator ▁who ▁was ▁responsible ▁for ▁ship ' s ▁business ▁but ▁was ▁not ▁associated ▁in ▁any ▁way ▁with ▁the ▁operation ▁of ▁the ▁radio ▁system ▁used ▁for ▁technical ▁purposes . ▁ ▁Track ing ▁Ped est als ▁ ▁Four ▁modified ▁T AL OS ▁AN / FP W - 2 ▁Gu id ance ▁Ped est als ▁were ▁sla ved ▁to ▁either ▁or ▁both ▁of ▁the ▁AN / FP Q - 4 ▁tracking ▁rad ars ▁in ▁order ▁to ▁provide ▁optical , ▁inf ra - red ▁and ▁other ▁supp lement ary ▁instrument ation ▁for ▁the ▁observation ▁of ▁re - entry ▁bodies . ▁ ▁Mission ▁Comple tion ▁ ▁On ▁September ▁ 3 0 , ▁ 1 9 6 3 ▁the ▁U . S . ▁Army ▁Advanced ▁Research ▁Project s ▁Agency ▁D AMP ▁mission ▁and ▁contract ▁exp ired , ▁and ▁the ▁U . S . ▁Air ▁Force ▁assumed ▁oper ational ▁control ▁of ▁the ▁US AS ▁American ▁Mar iner . ▁On ▁January ▁ 1 , ▁ 1 9 6 4 , ▁it ▁became ▁an ▁integral , ▁but ▁temporary , ▁part ▁of ▁the ▁U . S . ▁Air ▁Force ' s ▁Eastern ▁Test ▁Range ▁in ▁the ▁Atlantic ▁Ocean , ▁and ▁was ▁placed ▁under ▁the ▁control ▁of ▁the ▁Miss ile ▁Test ▁Project ▁( M TP ) ▁based ▁out ▁of ▁Patrick ▁Air