IDF Air Force quadrate tag. Typically, each IDF unit (yehida) has its own shoulder tag. Shoulder tags consist of a long section and a tip, which can be one of four shapes: a circle (commands, directorates and air force units except anti-aircraft), a square (Golani Brigade), a diamond, or a shield-like shape (most common). The Israeli Air Force is the air force of the Israel Defense Forces. The current Commander in Chief is Major General Ido Nehoshtan. The Israeli Air Force has approximately 1000 aircraft.