Additionally , after completion of the second terminal , NASA held a contest to name the two stations .
STGT became operational in 1994 , completing the system after Flight - 6 's on - orbit checkout earlier in the year .
After completion of the second terminal , NASA held a contest to name the two stations .
STGT became operational in 1994 , completing the system after Flight - 6 's on - orbit checkout earlier in the year .