To withdraw (a ship, for example) from active service.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "decommission" in a sentence
"According to the Associated Press, Ghailani's legal team added that it would be "another two months before they obtain security clearance necessary to visit the sites, and they fear they will be dismantled by then because the CIA on April 9 indicated it will 'decommission' the interrogation locations.""
"At the Union's western end, the Northern Ireland peace process appears to be in deep crisis because the Irish Republican Army will not "decommission" any of its arsenals of weapons and bomb-making equipment."
"NASA is only delaying their launches so they can push back the "decommission" deadline of the shuttle till after the elections in 2012."