us space program resumed after challenger tragedy on 29 september 1988.
when did us space program resumes after challenger tragedy?
29 september 1988
Na
Na
in the us space program, range safety is usually the responsibility of a range safety officer (rso), affiliated with either the civilian space program led by nasa or the military space program led by the department of defense, through its subordinate unit the air force space command. at nasa, the range safety goal is for the general public to be as safe during range operations as they are in their normal day-to-day activities.
range safety