CURRENT AFFAIRS

Detailed explanation-1: -This test flight with NASA astronauts Bob Behnken and Doug Hurley on board the Dragon spacecraft returned human spaceflight to the United States. Demo-2 is the final major test for SpaceX’s human spaceflight system to be certified by NASA for operational crew missions to and from the International Space Station.

Detailed explanation-2: -The SpaceX-25 Dragon cargo ship returned 4, 000 pounds of science experiments and more to Earth.

Detailed explanation-3: -Indeed, early in its history, SpaceX won a crucial contract from NASA to deliver cargo to the International Space Station - before it even made it to orbit. Since then, the company has gone from success to success - earning billions in awards along the way.

Detailed explanation-4: -Hines, Lindgren, Watkins, and Cristoforetti returned to Earth in a parachute-assisted splashdown in SpaceX’s Dragon spacecraft Freedom at 4:55 p.m. Friday, Oct. 14, off the coast of Florida. After returning to shore, the astronauts flew back to Houston, where they were greeted by their families and colleagues.

Detailed explanation-5: -After extending the record for the longest single spaceflight in history by an American to 355 days, NASA astronaut Mark Vande Hei returned to Earth on Wednesday, March 30, along with Roscosmos cosmonauts Anton Shkaplerov and Pyotr Dubrov.