New Direction for any war: Send Service Vets over 60! I am over 60 and the Armed Forces thinks I'm too old to track down terrorists. You can't be older than 42 to join the military. They've got the whole thing ass-backwards. Instead of sending 18-year olds off to fight, they ought to take us old guys. You shouldn't be able to join a military unit until you're at least 35. For starters: Researchers say 18-year-olds think about sex every 10 seconds. Old guys only think about sex a couple of times...