Greater Underwater Propulsion Power Program (GUPPY) being conducted by the United States Navy in the Atlantic Ocean. Aerial views of German submarine U-2513 underway. The submarine submerged in water with submarine snorkeling. The submarine crash dives into water. Open sea and wake due to the movement of the submarine through water.
Greater Underwater Propulsion Power Program (GUPPY) being conducted by the United States Navy in the Atlantic Ocean. Aerial views of German submarine U-2513 underway. The submarine submerged in water with submarine snorkeling. Open sea and wake due to the movement of the submarine through water.
Greater Underwater Propulsion Power Program ( GUPPY ) being conducted by the United States Navy in the Atlantic Ocean. Aerial views of German submarine U-2513 underway. The submarine submerged in water with submarine snorkeling. Open sea and wake due to the movement of the submarine through water. The submarine surfaces and moves on water.
Greater Underwater Propulsion Power Program ( GUPPY ) being conducted by the United States Navy in the Atlantic Ocean. Aerial views of German submarine U-2513 underway. The submarine submerged in water with submarine snorkeling. The submarine crash dives under the water surface. It resurfaces and moves on water.
Greater Underwater Propulsion Power Program ( GUPPY ) being conducted by the United States Navy in the Atlantic Ocean. Aerial views of German submarine U-2513 underway. The submarine crash dives below the water surface. The periscope of the submarine cuts through water. The submarine resurfaces and moves on water.
German U boat U-234 after being captured by the United States in the Atlantic Ocean off the coast of New Hampshire during World War II. U-234 underway on the surface of water with YT( tugboats ) alongside. Portsmouth Lighthouse in the background. The submarine surfaces and is flanked by the tugboats.
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