https://www.cbsnews.com/news/xb-1-baby-boom-jet-supersonic-breaks-sound-barrier/
The test flight of the XB-1 aircraft is a step in manufacturer Boom Supersonic's goals of building a supersonic passenger jet.
sound barriertest flightcivilianjetbreaks
https://www.livescience.com/20319-mars-rover-curiosity-desert-test-drive.html
Researchers with NASA's Curiosity Mars rover, which is due to land on the Red Planet this August, took a test vehicle out to the California desert last week.
mars roverdesert testdrive livemocktakes
https://www.space.com/venus-balloon-prototype-test-flights-video
A unique, helium-filled, sulfuric-acid resistant balloon called an aerobot successfully completed two test flights over the Nevada desert.
venusballoonprototypenotchestest