A year and a half later, on the direct orders of the Prime Minister, Sharon returned to active service in the rank of major, as the founder and commander of the new Unit 101, a special forces unit tasked with reprisal operations in response to Palestinian fedayeen attacks. The first Israeli commando unit, Unit 101 specialized in offensive guerrilla warfare in enemy countries. The unit consisted of 50 men, mostly former paratroopers and Unit 30 personnel. They were armed with non-standard weapons and tasked with carrying out special reprisals across the state's borders— mainly establishing small unit maneuvers, activation and insertion tactics. Training included engaging enemy forces across Israel's borders. Israeli historian Benny Morris describes Unit 101: