Thetis-class patrol boat
இன்னும் மொழிபெயர்க்கப்படவில்லை — ஆங்கிலத்தில் காட்டப்படுகிறது.
Thetis-class patrol boats, also called the Argo-class patrol boats, were a class of 18 steel-hulled cutters of the United States Coast Guard built from 1931 to 1934.







