New fleet of personnel recovery aircraft. Ap– US Air Force Completes HH-60W's Development Test Program – The US Air Force finishes the HH-60W Combat Rescue Helicopter’s nearly two-year developmental test program marking a significant milestone for the service’s.The mission, designated NS-15, tests procedures it will Ap– Blue Origin Completes Suborbital Test Flight of New Shepard – 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 – Sikorsky's S-97 Raider Flies in Two Demonstrations for US Army – For the first time, Sikorsky flies its Future Attack Reconnaissance Aircraft prototype in two demonstrations for service leaders and soldiers at.Ap– Xwing Completes First Autonomous Gate-to-Gate Cargo Flight – Xwing completes the first fully autonomous gate-to-gate demonstration of a commercial cargo flight, using a remotely-piloted Cessna Grand Caravan 208B utility.Ap– NASA Astronaut Walker Assumes Command of ISS – NASA astronaut Shannon Walker assumes command of the International Space Station.Ap– Northrop Grumman Conducts First Flight of Japan’s RQ-4B UAV – Northrop Grumman completes the first flight of Japan’s RQ-4B Global Hawk UAV from the company’s Palmdale, California facility.Of 48,000 feet and a top speed of Mach 0.935 The aircraft flies for more than three and a half hours, reaching an altitude Ap– Gulfstream Begins Flying Final G700 in Test Program – Gulfstream conducts the sixth and final test aircraft in the company’s G700 program.Ap– NASA Chooses SpaceX for Contract Under Human Landing System Program – NASA chooses SpaceX’s Starship spacecraft as the winner of a $2.9 billion contract under the agency’s Human Landing System program.aboard a Soyuz spacecraft, concluding their 185-day mission. The crew lands in Kazakhstan at 12:55 a.m. Ap– NASA Astronaut, Two Russian Cosmonauts Return to Earth from ISS – NASA astronaut Kate Rubins and Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov return to Earth from their mission aboard the International Space.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. Ap– NASA Flies Ingenuity for First Time on Mars – NASA successfully flies its four-pound helicopter from the surface of Mars, the first powered flight of an aircraft on another planet.EDT, from the White Sands Missile Range in New Mexico. Ap– NASA Launches SHIELDS Mission Atop Brant IX Sounding Rocket – NASA’s Spatial Heterodyne Interferometric Emission Line Dynamics Spectrometer (SHIELDS) mission launches at 4:30 a.m.The decision is made following a ground emergency on April 8 at Ellsworth Air Force Base, South Dakota. Tim Ryan orders a safety stand-down for the service’s entire B1-B bomber fleet. ![]() Ap– US Air Force Grounds Entire Fleet of B1-B Bombers – Commander of the US Air Force’s Global Strike Command Gen.Ap– Perseverance’s MOXIE Instrument Converts Martian Carbon Dioxide Into Oxygen For First Time – NASA's Perseverance rover uses its Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) instrument to generate oxygen from the thin, carbon dioxide-heavy Martian atmosphere for the first time, demonstrating technology that could help astronauts breathe as well as help propel the rockets that would get them back home to Earth.Ap– Rule Allowing UAVs to Fly Over People and at Night Go into Effect – Final rules announced by the FAA in December 2020 officially take effect allowing for small drones to fly over people and at night.The helicopter reaches a height of 16 feet and lasts 59.1 seconds. EDT, Ingenuity lifts off from the Jezero crater on Mars for its second flight on the Red Planet. Ap– Ingenuity Makes Second Flight on Mars – At 5:33 a.m.EDT from NASA’s Kennedy Space Center kicking off SpaceX’s Crew-2 mission, carrying four astronauts – NASA’s Shane Kimbrough and Megan McArthur, French astronaut Thomas Pesquet and Japanese spaceflyer Akihiko Hoshide – on a 24-hour flight to the International Space Station. Ap– Crew-2 Mission Lifts Off – A SpaceX Crew Dragon launches at 5:49 a.m.The History of Flight from Around the World
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