USNS Red Cloud
USNS Watkins
Etc
https://www.theguardian.com/world/2008/jun/02/terrorism.terrorism
https://www.theatlantic.com/international/archive/2014/06/americas-floating-prisons/373577/
https://www.usatoday.com/story/news/world/2017/11/28/u-s-coast-guard-operating-secret-floating-prisons-pacific-ocean/900462001/