TIL The US Army has 50 commissioned ships ( en.wikipedia.org )
https://www.reddit.com/r/todayilearned/comments/1dqwibf/til_the_us_army_has_50_commissioned_ships/...
https://www.reddit.com/r/todayilearned/comments/1dqwibf/til_the_us_army_has_50_commissioned_ships/...