USS Platte (AO-186) was the fifth and last of the Cimarron-class ships built to carry cargo and bulk fuel to battle groups.

Her most notable historical event was the collision with the USS Trippe approximately 500 miles east of Jacksonville, Florida on 19 April 1989.

The new "mid-body" section included an ammunition elevator, a second Fairbanks Morse emergency diesel generator, additional a/c capabilities as well as several cargo holds.

At commissioning she was 88 feet wide at her beam, 216 m (700 ft) long, displaced approx 37,000 tons at a speed of 19 knots.

In 1991 she circumnavigated South America escorting the aircraft carrier Kitty Hawk to its west coast home port after leaving the shipyards in Norfolk, Va. She was decommissioned 30 June 1999 and placed in the James River Reserve Fleet (Ghost Fleet) near Fort Eustis, Virginia.