The explosion, photos of which were splashed across front pages, was Space Exploration Technologies Corp.'s second major mishap in little over a year.
On June 28, 2015, a Falcon 9 rocket carrying a Dragon spacecraft with cargo destined for the International Space Station blew apart 2 minutes and 19 seconds after launch.
The cause was determined to be a two-foot-long, inch-thick strut in a liquid oxygen tank that snapped.
SpaceX returned to flight less than six months later. On Dec. 21, 2015, the company launched, then landed in Cape Canaveral, a Falcon 9 rocket for the first time. In April, SpaceX landed its Falcon 9 rocket upright on a drone ship bobbing in the Atlantic Ocean for the first time ever, a key milestone toward the company's goal of reusing rockets and sending humans to Mars.
The Iridium NEXT constellation will replace the world's largest commercial satellite network of low-earth orbit satellites, Iridium Communications Inc. has said.