"Invincible" was decommissioned in July 2005, and was mothballed until September 2010. She was decommissioned in 1946 and scrapped by 1962. She was decommissioned in 1971, and scrapped in 1992. It was decommissioned in 1958 and was demolished in 2015. The last battleship, , was decommissioned in 1991 and struck in 2006. The reactor was decommissioned and removed in 1999. These two ships were decommissioned by 1982. In 1990, "Iowa" was decommissioned for the last time and placed in the mothball fleet. At a missile base in Russia, SS-18 ICBMs are being decommissioned. The ARPANET project was formally decommissioned in 1990. At the end of the service life, ships will be decommissioned. She was officially decommissioned on 30 September 1977. The UK ships are all now decommissioned. "Minas Gerais" was decommissioned and retired that year. The base was officially decommissioned in the 1980s.