{HEAD ~ The mechanism} relies solely on booster thrust termination and {TAIL ~ the ensuing cessation} of acceleration forces to release the drag brakes, thus requiring no additional electronic or pyrotechnic actuators or timers 
relies solely on
{ HEAD ~ The mechanism } relies solely on booster thrust termination and { TAIL ~ the ensuing cessation } of acceleration forces to release the drag brakes , thus requiring no additional electronic or pyrotechnic actuators or timers
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH