ApвЂ“ US Air Force Completes HH-60W's Development Test Program вЂ“ The US Air Force finishes the HH-60W Combat Rescue HelicopterвЂ™s nearly two-year developmental test program marking a significant milestone for the serviceвЂ™s.The mission, designated NS-15, tests procedures it will ApвЂ“ Blue Origin Completes Suborbital Test Flight of New Shepard вЂ“ Blue Origin launches its New Shepard vehicle from its Launch Site One in West Texas at 12:51 p.m.Redstone Arsenal in Huntsville, Alabama, performing high-speed passes, hovering, and showing off its maneuverability. April 13 & 15, 2021 вЂ“ Sikorsky's S-97 Raider Flies in Two Demonstrations for US Army вЂ“ For the first time, Sikorsky flies its Future Attack Reconnaissance Aircraft prototype in two demonstrations for service leaders and soldiers at.ApвЂ“ Xwing Completes First Autonomous Gate-to-Gate Cargo Flight вЂ“ Xwing completes the first fully autonomous gate-to-gate demonstration of a commercial cargo flight, using a remotely-piloted Cessna Grand Caravan 208B utility.

ApвЂ“ NASA Astronaut Walker Assumes Command of ISS вЂ“ NASA astronaut Shannon Walker assumes command of the International Space Station.ApвЂ“ Northrop Grumman Conducts First Flight of JapanвЂ™s RQ-4B UAV вЂ“ Northrop Grumman completes the first flight of JapanвЂ™s RQ-4B Global Hawk UAV from the companyвЂ™s Palmdale, California facility.The aircraft flies for more than three and a half hours, reaching an altitude of 48,000 feet and a top speed of Mach 0.935 ApвЂ“ Gulfstream Begins Flying Final G700 in Test Program вЂ“ Gulfstream conducts the sixth and final test aircraft in the companyвЂ™s G700 program.ApвЂ“ NASA Chooses SpaceX for Contract Under Human Landing System Program вЂ“ NASA chooses SpaceXвЂ™s Starship spacecraft as the winner of a $2.9 billion contract under the agencyвЂ™s Human Landing System program.aboard a Soyuz spacecraft, concluding their 185-day mission. The crew lands in Kazakhstan at 12:55 a.m. ApвЂ“ NASA Astronaut, Two Russian Cosmonauts Return to Earth from ISS вЂ“ NASA astronaut Kate Rubins and Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov return to Earth from their mission aboard the International Space Station.Lifts off the surface of the Red Planet, reaching an altitude of about 10-feet, where it hovers, turns and lands softly in an autonomous flight that lasts 30 seconds. ApвЂ“ NASA Flies Ingenuity for First Time on Mars вЂ“ NASA successfully flies its four-pound helicopter from the surface of Mars, the first powered flight of an aircraft on another planet.The History of Flight from Around the World

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