Because... http://articles.latimes.com/2011/aug/07/business/la-fi-fighter-jets-grounded-20110807 On a side note, the TU-95 (on the pic next to the F-22) entered service in 1956, and according to the Russians is expected to stay in service till 2040.
Very interesting (and long) article on DoD research. Summary: Highlights: In short, the vast majority of the DoD "research" oft-touted as a justification for even larger DoD investment is primarily just another corporate handout. It's absurd.
Defense appropriations is the one place where I think a Ron Paul presidency would actually have the impact that he wants.