https://twitter.com/KenDilanianNBC/status/1166819546789023745?s=20
Correction: Experts who have looked at new USCIS policy say it applies if a service member adopts a child overseas, but children born to service members on deployment would still automatically get citizenship. I deleted tweets with the incorrect info.
https://uscis.gov/sites/default/files/policymanual/updates/20190828-ResidenceForCitizenship.pdf