Bummer. RUD event (Rapid Unscheduled Disassembly). Landing on the barges is more difficult than a landing on solid ground. They had a long string of successes there in any event. Perhaps the center motor failed to re-light or it just ran out of fuel. Still, a spectacular overall mission. Those two strap-on boosters returning to the cape within seconds of each other was one of the most impressive things we've seen in the decades of space endeavors.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Albert Einstein
Albert Einstein