These three specific units are considered the most elite & prestigious of all special forces units in the IDF. The training and selection for these 3 units is the longest, most selective, most grueling, and more extensive than any other IDF units. Their operators are proficient in long range solo navigation, as opposed to other units where long range navigation is done with a minimum of 2 fighters.
Sayeret Matkal - The IDF's principal special operations/commando unit, used mainly to obtain strategic intelligence behind enemy lines and to perform hostage-rescue missions on foreign soil. It is directly subordinate to the Israeli Military Intelligence Directorate (AMAN). Modeled after Britain's Special Air Service, it is known by Israelis as the most elite unit (above all) in the IDF.
Shayetet 13 - The naval commando unit, equivalent to the US Navy SEALs or British Special Boat Service. Also tasked with maritime hostage-rescue missions. Part of the Israeli Navy. Founded in 1948 by former members of the Palyam, the naval branch of the Haganah.
Sayeret Shaldag - Founded in 1974 by several former Sayeret Matkal veterans, it is the Israeli Air Force's commando unit, specializing in forward air control, aerial & special reconnaissance, and target designation outside of Israel's borders.