OTD…May 18 and launch of Apollo 10

Orbital ATK’s Antares rocket will deliver the commercial Cygnus supply ship to an orbit with an altitude between 117 miles (189 kilometers) and 184 miles (296 kilometers) within about nine minutes of liftoff Saturday from Virginia’s Eastern Shore.

#OTD in 2001, Discovery launched on STS-102 to exchange crews aboard the International Space Station