A rebel army officer teaches the use of a AK-47 to civilians who have volunteered to join the rebel army in Benghazi...REFILE - ADDING TYPE OF WEAPON A rebel army officer teaches the use of a AK-47 to civilians who have volunteered to join the rebel army in Benghazi February 27, 2011. The rebel army is preparing to fight Libyan leader Muammar Gaddafi's forces in Tripoli if necessary, an official in the rebel army said. REUTERS/Suhaib Salem (LIBYA - Tags: POLITICS CIVIL UNREST MILITARY)