Today is World Submarine Day.
I can tell from your surprise that you didn't see that coming...
УНН UNN Lite ✎ In 1900, a submarine designed by inventor John Philip Holland was launched in the United States. The 16-meter-long submarine was equipped with a gasol…
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April 11 is National Submarine Day. Pay tribute to the many souls lost beneath the ocean, and consider the game-changing effects of the invention of the Submarine on our technology, warfare,…
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Supposedly it's a day to remember those souls who lost their lives beneath the waves but I think it's also an excuse to post unsolicited submarine pics... preferably wet... partially submerged... thirsty.