U.S. Navy(@USNavy) 's Twitter Profile Photo

Happy birthday to the Submarine Force! From the depths, we strike!

Answering the nation's call for 121 years— The work of our is critical to our nation's defense.

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QuirkyFilms(@FilmsQuirky) 's Twitter Profile Photo

Today (Apr 11) in the U.S 🇺🇸 is
This day is important to the submarine community as it honors the US Navy’s purchase of their first modern submarine, the USS Holland for $150K in 1900 commanded by Lt. H.H. Caldwell.
📽️🎬

Today (Apr 11) in the U.S  🇺🇸  is #NationalSubmarineDay 
This day is important to the submarine community as it honors the US Navy’s purchase of their first modern submarine, the USS Holland for $150K in 1900 commanded by Lt. H.H. Caldwell.
#QuirkyFilmQuestion  #FilmX  📽️🎬
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Navy General Board(@thegeneralboard) 's Twitter Profile Photo

With it being and many people mentioning the Confederate Hunley, I wanted to point out that the Union had its own submarine as well, the lesser-known USS Alligator.

With it being #NationalSubmarineDay and many people mentioning the Confederate Hunley, I wanted to point out that the Union had its own submarine as well, the lesser-known USS Alligator.
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Lee Healey ✍🏻(@HealeyCartoons) 's Twitter Profile Photo

Happy
National Submarine Day is, and I'm sure I'm not alone here, a thing very close to my heart. It's a day I look forward to every year and yadda yadda yadda.
barney farmer

Happy #NationalSubmarineDay 
National Submarine Day is, and I'm sure I'm not alone here, a thing very close to my heart. It's a day I look forward to every year and yadda yadda yadda.
@barneyfarmer
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UK Defence Staff in US(@UKdefUS) 's Twitter Profile Photo

Why wouldn’t we, on , reshare this incredible video from our fabulous @royalnavy attaché to the US, after he spent 24 hours on the mighty USS Indiana with our U.S. Navy friends.

U.S. Fleet Forces | Naval Attaché USA

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GD Electric Boat(@GDElectricBoat) 's Twitter Profile Photo

American businessman Isaac Rice incorporated the Electric Boat company in 1899 to complete a 54-foot submersible vessel developed by John Philip Holland. On April 11, 1900, the U.S. Navy acquired the Holland, the Navy’s first commissioned submarine.

Happy !

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