also in how they fight. The Revolutionary Guards Navy has a large inventory of small fast attack craft, and specializes in asymmetric hit-and-run tactics. It is more akin to a guerrilla force at sea, and maintains large arsenals of coastal defense and anti-ship cruise missiles and mines. It has also a Takavar (special force) unit, called Sepah Navy Special Force (S.N.S.F.). Ground forces Nuclear forces Intelligence organization Corps Intelligence directorate are accused of meddling in the 2021 Iranian presidential election. Size The 2020 edition of The Military Balance, published by IISS, says the IRGC has about 190,000 active personnel and controls the Basij on mobilisation (as much as 40,000 active paramilitary forces). It estimates the Ground Force is 150,000 strong and the Aerospace Force, which controls Iran's strategic-missile force, has some 15,000 personnel. The Naval Forces are estimated to size at least 20,000, including 5,000 Marines. Senior commanders Major General Hossein Salami (Commander-in-chief) Commodore Ali Fadavi (Second-in-command) Brigadier General Mohammad Pakpour (Revolutionary Guards' Ground Forces) Brigadier General Amir Ali Hajizadeh (Revolutionary Guards' Aerospace Force) Commodore Alireza Tangsiri (Revolutionary Guards' Navy) Brigadier General Gholamreza Soleimani (Commander of the Mobilized Basij forces) Brigadier General Ismail Qaani (Quds Force) Combat history Iran–Iraq War Lebanon Civil War During the Lebanese Civil War, the IRGC allegedly sent troops to train fighters in response to the 1982 Israeli invasion of Lebanon. In Lebanon, political parties had staunch opinions regarding the IRGC's presence. Some, mainly the Christian militias such as the Lebanese Forces, Phalanges, and most of the Christian groups declared war on the IRGC, claiming they violated Lebanese sovereignty, while others, including Muslim militias, were neutral to their presence. Groups such as the PSP and Mourabiton did not approve of their presence, but to preserve political alliances they decided to remain silent on the matter. 2006 Lebanon War During the 2006 Lebanon War, several Iranian Revolutionary Guards were reportedly killed by Israeli forces in Baalbek, a town close to the Syrian border. Israeli officials believe that Iranian Revolutionary Guards forces were responsible for training and equipping the Hezbollah fighters behind the missile attack on the INS Hanit which left four Israeli sailors dead and seriously damaged the vessel. 2006 plane crash In January 2006, an IRGC Falcon crashed near Oroumieh, about 560 miles northwest of Tehran, near the Turkish border, Iranian media reported. All fifteen passengers died, including twelve senior IRGC commanders. Among the dead was