A "Top Gun" Navy Aggressor Squadron F-5E 'Tiger' on display at the ND Centennial Air Show. Saturday 8/19/1989, at the old Hector Airport terminal.

The US Navy Strike Fighter Tactics Instructor program operates F-5E and F-5F 'Tiger II' to simulate the flying characteristics of the Russian MiG-21. . . Access door to the cannon. The F-5E 'Tiger II' retained the gun armament of two M39 cannon, one on either side of the nose. Various specific avionics fits could be accommodated, including an inertial navigation system, TACAN and ECM equipment. -wiki