F/A-18s, five P-3C Orions, three B707 aerial refuelling tankers, two B200 King Airs, three PC-9A forward control aircraft, and a Falcon F900 VIP jet. Also in support was a significant airlift group, with Australian transport aircraft including thirteen C-130 Hercules and three DHC-4 Caribou. New Zealand deployed C-130 Hercules, Bell UH-1H Hueys, and A-4K Skyhawks to RAAF Base Tindal to support RAAF F-111s. In addition, a number of British, United States, Canadian, French and Thai aircraft were also deployed. On at least one occasion Australian P-3C aircraft were intercepted by Indonesian aircraft, while an Indonesian submarine was also detected by Coalition surveillance within the vicinity of Dili Harbour as INTERFET forces approached. Ultimately no serious incidents occurred and the intervention was successful; however, Australia–Indonesia relations would take several years to recover. Of the 22 nations involved in INTERFET, 10 provided naval assets. Australia was the single largest provider, with 14 ships deployed with INTERFET between 19 September 1999 and 23 February 2000: the frigates , , , , , and ; the landing ship , the landing craft , , , , and ; the fast transport ; and the replenishment vessel . The United States contributed seven ships: the cruiser ; the amphibious assault ships , , and ; and the replenishment ships , , and . France supplied four vessels: the frigates Vendémiaire and Prairial plus the landing ships Siroco and Jacques Cartier. Singapore contributed the amphibious landing ships Excellence, Intrepid, and Perseverance. New Zealand deployed the frigates and and the replenishment ship . Other naval vessels deployed during the operation included the Canadian replenishment ship , the Italian amphibious assault ship San Giusto, the Portuguese frigate Vasco da Gama, the Thai landing ship Surin, and the British destroyer . The International Forces East Timor (INTERFET) coalition began deploying to East Timor on 20 September 1999, as a non-UN force operating in accordance with UN Resolutions. Led by Australia, who contributed 5,500 personnel and the force commander, Major General Peter Cosgrove, it was tasked with restoring peace and security, protecting and supporting UNAMET, and facilitating humanitarian assistance. The Australian Deployable Joint Force Headquarters provided overall command and control. The main Australian combat element included infantry and cavalry provided by the 3rd Brigade. Due to the nature of the operation the force deployed without its artillery and other heavy weapons and equipment; however, 105 mm and 155 mm guns