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So sad I'll never get to see one fly. Born in the wrong time.

That's a D model, and the chin pod was on a lot of early C/D aircraft as it was originally designed for an IR sensor, but did not have them. Later RWR (Radar Warning Receiver) were used in that the chin pod. The only USAF aircraft that had nose gun was the F-4E and it is an M61 20mm not 70mm. The C/D aircraft never had internal (nose) gun, but the SUU-16 and SUU-23/A pods were hung on them in 1965. (less than a year after entering Vietnam with the USAF and finding problems with the AIM-7 and AIM-9 missiles not suited for the engagements and often failing in various ways, the gun pods were found more effective and also served in close air support.

Yes you are 100% correct and tall F-4 PHANTOMS used and were the only engines that powered them the J-79 after some years later they became long obsolete both the F-4 and these engines too.

Flyboy what a lucky guy! Can i ask, do you remember the lucky pilot? Always awesome to see N749CF FLY and always interesting to learn about the great folks that make it happen!

@@jesselo1969 I flew in with Jerry "Jive" Kerrby and I'd have to go back and look but I believe it was Col. Harry "D Day" Daye who flew the shows... I could be wrong on that last part...

@@flyboy126, The announcer says the name 'Jive Kerrby' at 2:00.

One could be a smokeless engine. The Collins Foundation uses whatever engines they can get.

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(I realize it's 3 years old but someone else may wonder) This aircraft most likely had one "coal burner" and one "smokeless" engine installed, and that is why one has a lighter (more blue) burner flame while the other engine is more visible orange flame. The other thing you will note it is the one engine smokes and the other does not. Originally the design of the combustor cans in the hot section (where the fuel is burned) was less efficient at burning in part to provide a cooler operation in the hot section, and longer engine life at the expense of fuel which was less costly at the time (early to mid 1960s). Later as both the energy crisis resulting in using different fuel stocks (that changed the smoke a small amount) and the cost of fuel as well as the problem of being seen from far distances, resulting in the research, testing and adoption of modifications to the engines. Change to combustor cans that produced greater swirling of fuel air and the burning of that mixture resulted in a better/cleaner burn, and other methods employed to assist with cooling the hot section and keeping Exhaust Gas Temperature (EGT) down. I remember when we had them looking like someone in a diesel "rolling coal" as they call it now. What you see even with the one putting out some smoke was maybe 25% of that, and the "smokeless" is almost non-existent. Before, you could see the jet's smoke far off even before you would otherwise be able to see the aircraft.