https://spectrum.ieee.org/tech-talk/aerospace/satellites/spacex-claims-to-have-redesigned-its-starlink-satellites-to-eliminate-casualty-risks https://spectrum.i

https://spectrum.ieee.org/tech-talk/aerospace/satellites/spacex-claims-to-have-redesigned-its-starlink-satellites-to-eliminate-casualty-risks https://spectrum.ieee.org/tech-talk/aerospace/satellites/spa... There is an annoying interstitial ad, but the URL really says it all. From March 21, 2019. They say the first 75 have iron thruster parts and steel reaction wheels which can survive reentry, but that in subsequent builds no parts will come down with lethal energy.