Most all that aerospace/aircraft/military salvage stuff is accessible online, SG.
Along with their terms and conditions.
There's a whole raft of people actively involved in that biz.
You gotta know exactly what you're looking at to make a profit.
One particular model may have X number of pounds of some metal in it, but the design was changed for others that look exactly the same, if you get my drift...
Bidding will require a bond, and some lots will require DOD background check and additional bonding because of sensitive military nature. Destruction by some specific method will be required.
Some auctions will need to be paid for cash, or with cashiers check on that same day, and many require the property be removed from the premises that same day, or perhaps within 3, 0r 10 days, depending...
It will be more difficult these days, because you'll need to spend quite a bit more for the fuel to keep your truck motivating.
Best