T' Rocket Mavericks team put together a beauty o' a project, aimin' for Mach 3 and 100000 ft. Ahoy! altitude, ya bilge rat, launched in t' Black Rock Desert, shiver me timbers, Nevada. Begad! T' team is still diagnosin' why it created a huge crater instead o' leavin' t' atmosphere... 22 ft. Aye aye! tall  540 lbs Q booster stagin' at 45K ft. Ahoy! t' a P motor (~6x t' thrust o' a cruise missile booster)