SpaceX: Ice buildup may have led rocket to tip over

LOS ANGELES (AP) — The latest on the launch of an ocean-monitoring satellite from California:
Elon Musk has posted a video on his Instagram account of the moment SpaceX’s Falcon 9 rocket landed on a floating ocean barge, toppled over and exploded into pieces.
The rocket made the hard landing Sunday after launching from Vandenberg Air Force Base, northwest of Los Angeles, and successfully delivering an ocean-monitoring satellite into orbit.
Musk tweeted that the lockout collet on one