When they are not running off the end of the runway...
...the Navy's new P-8As (based on Boeing 737) have replaced all the P-3Cs in the fleet, except for the two reserve squadrons. A lot of P-3s were sold off to export markets (Japan, Canada, New Zealand) but the rest of 'em are just parked out in the AZ boneyard:
Pretty sure the one I spent time in is out there too:
