Cold war.
USS Pueblo
The USS Oriskany was an aircraft carrier. It was in both the Korean and Vietnam War. It was designed to hold between 90 and 100 airplanes. It would hold up to 2,600 crew members.
USS ARIZONA
The USS Flasher (SSN-613) was deployed to the western Pacific at intervals during the Vietnam conflict, so, yes, it was operating in support of military activity there.
the costs of victory outweighed the benefits
Nearly every vessel in the United States Navy participated in the war. USS Vancouver (LPD-2) was no exception. See website on: USS Vancouver (LPD-2).
North Vietnam's persistence, patience, and determination won the war. Tanks, Bombers, Battleships (USS New Jersey), and Infantrymen just fought the war.
It had an unfair impact on poorer citizens.
During the Vietnam War, US Battleships (USS New Jersey), Cruisers, and Destroyers sometimes traded salvos with North Vietnamese SHORE BATTERIES. US Aircraft Carriers were always kept out of range of COMMUNIST SHORE BATTERIES.
It was started because we defeated the Japanese twice and then Vietnam fought us and almost won
It had an unfair impact on poorer citizens.
USS Texas is the only dreadnaught remaining afloat. It is a WW1 ship. Her last war was WW2. Her sister was the battleship USS New York, which was sunk in the Pacific Ocean as a target, after WW2. The only US battleship to fight in Vietnam was the Iowa class battleship USS New Jersey.