Lt. Kendra Cypher, left, an Amphibious Warfare Tactics Instructor (WTI) assigned to Naval Surface and Mine Warfighting Development Center (SMWDC), cuts a cake with Lauren Phinney on KUSI’s Good Morning San Diego to celebrate the U.S. Navy’s 243rd birthday. SMWDC is one of the Navy's five Warfighting development centers and its mission is to increase the lethality and tactical proficiency of the surface force across all domains. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jesse Marquez Magallanes/Released)