At T minus three seconds, the vehicle base bending load modes are allowed to initialize ( referred to as the ' twang ', movement of approximately measured at the tip of the external tank, with movement towards the external tank ).Normal thrust buildup to the required 90 % thrust level will result in the SSMEs being commanded to the lift off position at T minus three seconds as well as the fire 1 command being issued to arm the SRBs.A balky Mobile Service Tower delayed pre-launch activities on 4 September, but a 22-minute-long user hold brought operations up to speed at T minus 30 minutes.It's difficult to see t minus in a sentence.This prologue deviated from traditional numbering of each comic in that it started with # T-4 ( T minus 4 ) and counted down to # 0.Sam sees her mother for the first time in 15 years in the episode ' T Minus 6 ', but Mary Taggart does not recognise her daughter.This I glimpsed at T minus 10 seconds, and knew for sure within nine minutes _ all the time it took the Discovery to gain orbit.At T minus nine and counting, the clouds dissipate, and at 8 : 45 a.Tyler is also a DJ, playing under the alias of T Minus.The version currently airing is by Timo Baker of T Minus 50.