Hot-Fire of LOX-Methane Engine: NASA officials say the hot-fire test of an engine fueled by liquid oxygen and liquid methane ran successfully for 103 seconds. They called the test a “major milestone” in the search for next-generation spaceflight technologies. NASA has been working on the endeavor with Air Force Research Lab at Kirtland AFB, N.M., and KT Engineering at Huntsville, Ala. There are three additional hot fire tests planned using the current engine configuration.
When it comes to easing enlisted Airmen’s reservations about getting the COVID-19 vaccine, the wisest course of action is to be straightforward and well-informed, and lead by example, Chief Master Sgt. Brian P. Kruzelnick, Air Mobility Command’s command chief master sergeant, said during the Air Force Association’s virtual Aerospace Warfare…