> The booster exploded after separation, which is never a good sign. Normal boosters for modern rockets don't do that. It exploded while attempting to test its

> The booster exploded after separation, which is never a good sign. Normal boosters for modern rockets don't do that. It exploded while attempting to test its landing maneuver. If it just turned off the engines and dropped itself into the ocean like a normal booster, it likely would not have exploded (for one thing, there wouldn't be any fuel left in it being saved for landing).