<blockquote class="twitter-tweet" data-media-max-width="560"><p lang="en" dir="ltr">Today is National Submarine Day. During WWII, 263 U.S. Navy submarines deployed on war patrols. This image of 52 submarines in the Pacific Reserve Fleet at Mare Island in 1946 represents the same number of subs that went on eternal patrol after being lost in the war.

not posting again 2 per bread limit.