LC - 4 0 ▁for ▁Space X ▁Fal con ▁ 9 ▁launch es ▁to ▁the ▁International ▁Space ▁Station . ▁ ▁NASA ' s ▁La unch ▁Services ▁Program ▁( L SP ) ▁is ▁responsible ▁for ▁o vers ight ▁of ▁launch ▁operations ▁and ▁count down ▁management ▁for ▁all ▁un cre wed ▁launch es ▁at ▁Cape ▁C ana ver al ▁which ▁it ▁does ▁not ▁operate . ▁ ▁Bo eing ▁X - 3 7 B ▁ ▁The ▁Bo eing ▁X - 3 7 B , ▁a ▁re usable ▁un cre wed ▁space craft ▁operated ▁by ▁US AF ▁which ▁is ▁also ▁known ▁as ▁the ▁Or b ital ▁Test ▁Ve h icle ▁( OT V ), ▁has ▁been ▁successfully ▁launched ▁four ▁times ▁from ▁Cape ▁C ana ver al . ▁ ▁The ▁first ▁four ▁X - 3 7 B ▁miss ions ▁have ▁been ▁launched ▁with ▁Atlas ▁V ▁rock ets . ▁ ▁Past ▁launch ▁dates ▁for ▁the ▁X - 3 7 B ▁space plane ▁include ▁April ▁ 2 2 , ▁ 2 0 1 0 , ▁March ▁ 5 , ▁ 2 0 1 1 , ▁December ▁ 1 1 , ▁ 2 0 1 2 , ▁and ▁May ▁ 2 0 , ▁ 2 0 1 5 . ▁ ▁The ▁fourth ▁X - 3 7 B ▁mission ▁land ed ▁at ▁the ▁Kennedy ▁Space ▁Center ▁on ▁May ▁ 7 , ▁ 2 0 1 7 , ▁after ▁ 7 1 8 ▁days ▁in ▁orbit . ▁ ▁The ▁first ▁three ▁X - 3 7 B ▁miss ions ▁all ▁made ▁successful ▁autonom ous