> "The 3-engine deorbit burn worked; previously it was screwed up by uncontrolled roll preventing the engines from getting fuel" My impression was that with th

> "The 3-engine deorbit burn worked; previously it was screwed up by uncontrolled roll preventing the engines from getting fuel" My impression was that with the CASSIOPE attempt, the 3-engine burn was successful but the following 1-engine burn was cut short by the roll. http://en.wikipedia.org/wiki/CASSIOPE#Post-mission_launch_vehicle_testing http://en.wikipedia.org/wiki/CASSIOPE#Post-mission_launch_ve...