I need to get back to the AF Museum... that place is awesome. The SAC Museum in Omaha is good, too -- they also have an SR-71. I was with a KC-135 command pilot when I stopped through, and he recognized the tail #. "Yeah, I have gassed that one up a few times. I probably took some of their money, too." (He frequently played poker with the crews in their lounge).

Tom -- have you been up the road to the Grissom Air Museum lately? They have made some neat acquisitions over the last few years. The vents you saw on the engines are probably just the standard static-display screens to keep birds and rodents out.

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1992 300D 2.5T
1980 Euro 300D (sadly, sold)
1998 Jetta TDI, 132K "Rudy"
1974 Triumph TR6
1999 Saab 9-5 wagon (wife's)