On the 13th space shuttle mission, Challenger lifts off for the first time with a crew of seven. Mission 41-G is the first to have two female astronauts (Sally K. Ride and Kathryn D. Sullivan, who will become the first American woman to make a spacewalk) and the first to have a Canadian astronaut aboard (Marc Garneau). Commander Robert L. Crippen becomes the first to fly on the shuttle four times. Aloft, the crew refuels a satellite in orbit for the first time.
B-21 Raider First Flight Now Postponed to 2023
May 20, 2022
The Air Force says the B-21 Raider won't make its first flight until 2023; about a six-month delay from the last official estimates. No reason was given for the delay. While other programs have recently chalked up schedule slips to supply chain and labor shortages, the Air Force has said…