Depicted here is An F-4D Phantom of the 306th Tactical Fighter Training Squadron, 31st Tactical Fighter Training Wing from Homestead AFB, Florida. The crew is starting their initial run into the bombing range at Avon Park. Visible at upper center is the simulated nuclear laydown, with the standard bombing circles and strafe target panels just to the left of the nuclear laydown rings. The aircraft is on a northerly heading into the range.The 306th is responsible for the training of new F-4 aircrews, most of which are now Air National Guard- and Air Force Reserve-assigned.