troop surge
n.— «Perhaps more importantly, Bush’s plan amounts to a last-ditch effort to salvage the U.S. endeavor in Iraq, and it’s not clear what will happen if the troop surge and economic aid fail to improve the situation.» —“Bush acknowledges mistakes in Iraq, plans to send more troops” by Tom Brune Newsday (Long Island, New York) Jan. 10, 2007. (source: Double-Tongued Dictionary)