After heavy editing by the MoD and Foreign Office, the story of this secret war was revealed in "SAS Operation Oman", written by the SAS commander, Colonel Tony Jeapes. Still used as a textbook at the Army Staff College, Camberley, it reveals how small teams of elite soldiers took on a dedicated guerrilla army and destroyed it. While the US Army was losing its very public war in Vietnam, the SAS fought in complete secrecy,…