The heavy aircraft-carrying cruiser of the project 1143.4 design Baku was built in 1986 and was soon enlisted into the Soviet Navy. During her military service she performed combat missions in the Black, Mediterranean and Barents Seas, and took part in exercises. The ship's aircraft group included vertical take-off and landing Yak-38M aircraft, as well as anti-submarine deck helicopters. In 1990, the aircraft-carrying cruiser was renamed "Admiral of the Soviet Union Fleet Gorshkov", it was used to test the supersonic VTOL Yak 141, and in 2000 the ship was sold to India. After a series of upgrades for the needs of the Indian Navy, in 2013 the ship was transferred to India, where she received the name Vikramaditya.