green light that made immpossible movement and then darted away.

i was at tech school for the air force doing weapon armament,  we had just finished class for the day and where heading back to the dorms.  all of a sudden the red rope said "What is that"  the entire flight looked up and saw a light green light come from the west (and as a rough guess this is vital for the next bit of imformation)=(it looked to be about 35000-45000 feet up and it was a clear day no clouds and almost time for sundown but the sky was stil a bright blue....) the light came to a sudden stop right after it stopped it looked like it drop about 5-7 thousand feet and then just flew-darted-bolted however you want to describe it it made a sudden movement to the east and vanished...all the people in m flight saw this and we all tlaked about t a little later on at the base rec center but after that the T.I.'s said that it was nothing and that you should not discuss it any more.