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