Self-guided Sightseeing Tour #1 in Omaha, United States

USS Hazard (AM-240) is an Admirable-class minesweeper that served in the United States Navy during World War II.

Wikipedia: USS Hazard (AM-240) (EN)

USS Marlin (SST-2), originally USS T-2 (SST-2), was a T-1-class training submarine in commission from 1953 to 1973. She was the second submarine of the United States Navy to be named for the marlin, a large game fish. Except for the first 25 early development pre-World War I submarines, she was one of the smallest operational submarines ever built for the U.S. Navy.

Wikipedia: USS Marlin (SST-2) (EN)

The Sikorsky HH-52 Seaguard is an early amphibious helicopter designed and produced by American helicopter manufacturer Sikorsky Aircraft. It was the first of the company's amphibious rotorcraft to fly and the United States Coast Guard's first turbine-powered helicopter and first amphibious helicopter.

Wikipedia: Sikorsky HH-52 Seaguard (EN)

The LTV A-7 Corsair II is an American carrier-capable subsonic light attack aircraft designed and manufactured by Ling-Temco-Vought (LTV).

Wikipedia: LTV A-7 Corsair II (EN)

The Douglas A-4 Skyhawk is a single-seat subsonic carrier-capable light attack aircraft designed and produced by the American aerospace manufacturer Douglas Aircraft Company, and later, McDonnell Douglas. It was originally designated A4D under the United States Navy's pre-1962 designation system.

Wikipedia: Douglas A-4 Skyhawk (EN)