Apr 11
🎖️🧭National Submarine Day🧭🎖️
Today honors the United States Navy's submarine force and commemorates the anniversary of the first successful test of the USA's first submarine, the USS Holland (SS-1), in 1900.
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🎖️🧭National Submarine Day🧭🎖️
Today honors the United States Navy's submarine force and commemorates the anniversary of the first successful test of the USA's first submarine, the USS Holland (SS-1), in 1900.