Complex sentence: The first offensive move was Operation Jaguar, mounted mainly by locally recruited irregular "firqats" and two squadrons of the British Special Air Service, to establish a permanent foothold on the eastern "jebel" from which civil aid teams could expand the Sultan's authority.
Split into simpler sentences: The first offensive move was Operation Jaguar, which was mounted mainly by locally recruited irregular "firqats" and two squadrons of the British Special Air Service. It was intended to establish a permanent foothold on the eastern "jebel" from which civil aid teams could expand the Sultan's authority.