The military wing consisted of at least 11 separate divisions including the conventional fighting forces, Charles Anthony Brigade and Jeyanthan Brigade; the suicide wing called the Black Tigers; naval wing Sea Tigers, air-wing Air Tigers, LTTE leader Prabhakaran's personal security divisions, Imran Pandian regiment and Ratha regiment; auxiliary military units such as Kittu artillery brigade, Kutti Sri mortar brigade, Ponnamman mining unit and hit-and-run squads like Pistol gang. Charles Anthony brigade was the first conventional fighting formation created by LTTE. Sea Tiger division was founded in 1984, under the leadership of Thillaiyampalam Sivanesan "alias" Soosai. LTTE acquired its first light aircraft in the late 1990s. Vaithilingam Sornalingam "alias" Shankar was instrumental in creating the Air Tigers. It carried out 9 air attacks since 2007, including a suicide air raid targeting Sri Lanka Air Force headquarters, Colombo in February 2009. LTTE is the only terrorist-proscribed organisation to acquire aircraft. LTTE intelligence wing consisted of Tiger Organisation Security Intelligence Service "aka" TOSIS, run by Pottu Amman, and a separate military intelligence division. It was forbidden for the LTTE members to consume tobacco and alcohol. Illicit sex was also prohibited. Each member carried a cyanide capsule with orders to use if captured.