Augusto C. Sandino International Airport, or ACS, is the main joint civil-military public international airport in Managua, Nicaragua. It is named after Nicaraguan revolutionary Augusto Nicolás Sandino and is located in the city's 6th ward, known locally as Distrito 6. Originally christened Las Mercedes Airport in 1968, it was later renamed Augusto C. Sandino International Airport during the Sandinista government in the 1980s and again in 2001 to Managua International Airport by then-president Arnoldo Alemán.