British Royal Navy ships HMS Cattistock (M31) and HMS Hurworth (M39) sail in formation next to USS Gettysburg (CG 64) off the coast of Scotland, Oct. 3, 2012, during Joint Warrior 2012. Joint Warrior is a United Kingdom-led exercise designed to improve interoperability between allied navies and prepare participating crews to conduct combined operations while deployed. (Photo by Lt. Amber Lewis)