Spaceflight news— Mars Perseverance and Ingenuity on their way to Mars (spaceflightnow.com) (americaspace.com) — SHERLOC calibration target includes spacesuit samples (collectspace.com)— Crew Dragon is coming home (arstechnica.com)Short & Sweet— Airbus to build Mars sample return mission’s orbital element (spacenews.com)— Cause of Rocket Lab’s recent launch failure has been identified (spaceflightnow.com)— Hayabusa2 releases details on its extended mission (hayabusa2.jaxa.jp)Questions, comments, corrections— Andrew via email: Nuclear reactor on Moon (designdevelopmenttoday.com)— Also from Andrew: Winged Gemini (woodtv.com)— Alex via email: Michigan Spaceport (woodtv.com)This week in SF history— August 8, 1989: Launch of STS-28 (americaspace.com)