Forward Operating Base Salerno (IATA: OLR, ICAO: OASL) is a former forward operating base used by the United States Armed Forces from 2002 to 2013 during Operation Enduring Freedom. It is located in the southeastern province of Khost, Afghanistan, near the city of Khost. On 1 November 2013, U.S. forces withdrew from FOB Salerno and transferred control of the installation to the Afghan National Army.