 Libyan MiG-21s saw limited service during the 2011 Libyan civil war.On 15 March 2011, one MiG-21bis and one MiG-21UM flown by defector Libyan air force pilots who joined the rebellion, flew from Ghardabiya AB (near Sirte) and landed at Benina airport to become part of the Free Libyan Air Force.On 17 March 2011 the MiG-21UM suffered a technical fault and crashed after takeoff from Benina airport.