There are some unhappy seamen in the U.S. today, now that the Navy has locked down their BlackBerrys to some pretty rigorous standards. PIN-to-PIN messaging, GPS, the application loader and third-party program installations have all been restricted, and as usual users will have to cycle through alphanumeric passwords every 3 months. On top of that, after 5 unsuccessful log-ins the device gets locked down and local data erased. For extra security, BlackBerrys’ radio antennae will become deactivated whenever they’re hooked up to a desktop. To be fair, these aren’t incredibly tough standards to work with, especially for a military organization. It does, however, give corporate IT admins something to wave when their BlackBerry users complain about existing restrictions.