Covert intelligence gathering. Deployment and recovery of Shayetet 13 naval commandos. Acting as a support unit for other units. Believed to be part of the country's nuclear weapons capability. For security reasons, applicants with dual citizenship must now officially renounce all other citizenships to be accepted into the submarine service training program. 13th Flotilla Shayetet 13, or Flotilla 13, is an elite naval commando unit which specializes in sea-to-land incursions, counter-terrorism, sabotage operations, maritime intelligence gathering, maritime hostage rescue, and boarding. It is among the most highly trained and secretive units in the Israeli military. Yaltam 707 Salvage and underwater works unit. Formed as the damage control branch of the Navy Shipyards, the unit later incorporated experienced Flotilla-13 divers. Snapir Force protection and harbour security unit. Also in charge of diving checkups of civilian ships entering Israeli harbours. Intelligence The Naval Intelligence Division is responsible for naval intelligence gathering. Fleet "INS" stands for "Israeli Navy Ship". Corvettes Missile boats Submarines Patrol boats Support ships , (Bat Yam, "Daughter of the Sea") - ex-Bundesmarine Stollergrund Class FGS Kalkgrund (Y865) small multipurpose utility boat (1989) , (Bat Galim, "Daughter of the Waves") - ex-Bundesmarine Stollergrund Class FGS Bant (Y867) small multipurpose utility boat (1989) Commando boats Dolphin type underwater craft Hazir (the Italian Maiale) (pig) underwater craft Snunit (Swallow) boats Zaharon (Lionfish) boats Mulit (Mullus) boats Morena rigid-hulled inflatable boats Aircraft Aircraft operated by the Israeli Navy, even when including on-board Navy mission specialists, are flown and maintained by Israeli Air Force personnel and are part of the air force command structure. 193 Squadron – Eurocopter AS565 Panther – 7 Unmanned aerial vehicles Aeronautics Defense Orbiter The navy has an unmanned helicopter (manufactured by Aeronautics Defense Systems) on Sa'ar 5-class corvettes. Equipment Barak 1 – Point-defence SAM Barak 8 – Long range SAM and anti-missile defence system Gabriel – sea-to-sea missile Harpoon – anti-ship missile Popeye (AGM-142 Have Nap) – air/sub-launched cruise missile. Dolphin-class submarines believed to carry Popeye Turbo with a range >1500 km and the option for nuclear warheads. Typhoon Weapon Station – remote-operated 25mm gun system NAVLAR Artillery Rocket System EL/M-2221 STGR – Search, Track & Guidance/Gunnery Radar EL/M-2228S AMDR – Automatic Missile Detection Radar EL/M-2228X SGRS – Surveillance & Gunnery Radar System EL/M-2238 STAR – Surveillance & Threat Alert Radar EL/M-2226 ACSR – Advanced Coastal Surveillance Radar Future Currently under construction is a sixth Dolphin 2 submarine (INS