The gate was built in stone with cylindrical towers crowned with cupola domes. It has a domed cupola and Ionic columns. The turret was fitted with the M1 cupola that enclosed the M2HB machine gun. Aiming was by periscopes located on the turret and cupola. Turkish architects implemented their own style of cupola domes. G, was relocated forward on the turret eliminating the bulge underneath the cupola. A redesigned turret with a lower cupola was the most significant change. The cupola and mosaics of the chapel are Byzantine elements. Inside are four large columns which supports the lantern of the cupola. It consisted of one wing and was built in storeys with a central cupola. The vehicle has three forward-facing periscopes in front of the driver's cupola. The auditorium was located under the larger cupola. The top is surrounded by a white cupola. The armored cupola of one bunker burned out after two shots. A mock-up was built using the new vision cupola.