http://psk.blog.24heures.ch/archive/2022/09/29/l-us-navy-a-debute-la-formation-avec-le-th-73a-%C2%A0thrasher%C2%A0-%C2%A0-873667.html
https://www.navy.mil/Resources/Fact-Files/Display-FactFiles/Article/2389862/th-73a-thrasher/
