Hundreds of people attend an event at Kennedy Space Center in the U.S. state of Florida to mark the 25th anniversary of the Space Shuttle "Challenger" disaster.
Two dozen more cases are reported in the U.S., bringing the total number of infected Americans to 102. Four deaths also occur in the state of Washington, bringing the total death toll in the U.S. to six. Washington and Florida issue state emergencies.
The United States Air Force's unmanned spacecraft X-37B successfully lands at Kennedy Space Center's Shuttle Landing Facility in Merritt Island, Florida, after spending a record-breaking 718 days in orbit. The landing was responsible for reports of sonic booms across central Florida.
NASA's Space Shuttle "Endeavour" successfully launches from the Kennedy Space Center in the U.S. state of Florida on its final mission. [http:--www.space.com-11677-nasa-shuttle-launch-endeavour-final-mission-sts-134-liftoff.html (Space.com)], [http:--www.ajc.com-news-nation-world-nasa-clears-space-shuttle-945979.html (AP via "Atlanta Journal-Constitution")]date=August 2019