Zombie thread, but still a question that crops up quite often.
"What do I do with my guns when...I get deployed, move into a non-gun-friendly state, hide them from my soon-to-be ex-wife...etc...etc..."
I've seldom seen a response like - renting a safety deposit box at a bank. Some of these boxes are big enough to fit a good half dozen rifles and another half dozen pistols in them. Granted, you'll need to store them in those silicone coated gun socks to save space, but for ~ $300 to $400 a year it is on par with the small 5'x5' self-storage units that you can rent...and a whole lot more secure.