SI . ▁According ▁to ▁Peter ▁Weg ner ▁from ▁the ▁Operation ally ▁Res p ons ive ▁Space ▁Office , ▁T ac S at - 3 ▁cost ▁US $ 9 0 ▁million ▁ ▁La unch ▁ ▁In ▁January ▁ 2 0 0 9 ▁the ▁Air ▁Force ▁announced ▁that ▁a ▁mal function ing ▁component ▁has ▁post pon ed ▁the ▁launch ▁date ▁on ▁its ▁Min ota ur ▁ro cket . ▁However , ▁in ▁March ▁ 2 0 0 9 ▁it ▁was ▁announced ▁that ▁the ▁component ▁issues ▁had ▁been ▁resolved ▁and ▁a ▁launch ▁date ▁was ▁set ▁for ▁May ▁ 5 , ▁ 2 0 0 9 . ▁The ▁May ▁ 5 ▁launch ▁attempt ▁was ▁scr ub bed ▁and ▁a ▁new ▁launch ▁date ▁was ▁set ▁for ▁May ▁ 1 9 , ▁with ▁a ▁backup ▁date ▁of ▁May ▁ 2 0 . ▁The ▁launch ▁occurred ▁successfully ▁at ▁ 2 3 : 5 5 ▁UTC ▁on ▁ 1 9 ▁May , ▁ 2 0 ▁minutes ▁into ▁a ▁launch ▁window ▁running ▁from ▁ 2 3 : 3 5 ▁to ▁ 0 3 : 3 0 ▁( 7 : 3 5 ▁PM ▁to ▁ 1 1 : 3 0 ▁PM ▁local ▁time ) ▁each ▁night . ▁ ▁The ▁first ▁attempt ▁to ▁launch ▁T ac S at - 3 ▁was ▁made ▁on ▁ 6 ▁May , ▁during ▁a ▁window ▁running ▁from ▁ 0 0 : 0 0 - 0 3 : 0 0 ▁UTC ▁( 2 0 : 0 0 - 2 3 : 0 0 ▁local ▁time ▁on ▁ 5 ▁May ). ▁However