https://www.thedrive.com/the-war-zone/32636/navy-hospital-ship-still-weeks-away-from-arriving-in-new-york-city-to-help-battle-covid-19
The unit lost two rifles while at an on-base training exercise. Both rifles are still missing. After the unit tried unsuccessfully to locate the missing rifles, the Navy Criminal Investigative Service took over the case.
https://www.marinecorpstimes.com/news/your-marine-corps/2020/03/16/commander-and-sergeant-major-fired-from-marine-unit-that-lost-2-rifles/