The British Army's Special Air Service (SAS), established in 1950, which has served as a model for the special forces of many countries. Its counter-terrorist wing famously took part in the hostage rescue during the siege of the Iranian Embassy in London in 1980.The Parachute Regiment, the airborne infantry element of 16 Air Assault Brigade, which spearheads the British Army's rapid intervention capability. It is closely linked to United Kingdom Special Forces.The US Navy's SEALS (Sea, Air, Land Teams), trained to conduct special operations in any environment, but uniquely specialised and equipped to operate from and in the sea. Together with speedboat-operating Naval Special Warfare Combatant-Craft Crewmen, they form the operational arm of the Naval Special Warfare community, the Navy component of the US Special Operations Command. Their special operations include: neutralizing enemy forces; reconnaissance; counter-terrorism (famously in the killing of Osama bin Laden); and training allies.