Construction Unit 321 Pin

Circular metal and enamel pin in black, white, and blue colors for Construction Unit 321, located at Airbase 21 (Haifa Base). The pin features a prominent Star of David, with a white brick watchtower or construction building topped by a burning torch at its center. Spreading from the sides of the structure are large dark blue wings symbolizing its affiliation with the Air Force, and beneath it are two black pipe wrenches representing maintenance, mechanics, and construction work. The bottom section displays the Hebrew text 'בינוי' (Construction) and the unit number '321'.