Taking a ship as a war prize was once a common occurrence, though it fell out of favor in the 20th century for the most part. The story of America's Tall Ship, USCGC Eagle, is one that bucks this trend.
Taken as a prize from Germany and put into service as a permanent training vessel in the US Coast Guard. Eagle is approaching her centennial of service and shows no signs of stopping any time soon. That isn't a bad run for any ship, certainly not for a war prize.
Further Reading:
https://www.amazon.com/SkipperEagle...
https://www.amazon.com/BarqueSaviors...