Keywords: US Navy 080729-N-6552M-035 Special Boat Operator 1st Class Zach Riley teaches students how to lay out navigational tracks on a chart.jpg en SAN DIEGO July 29 2008 Special Boat Operator 1st Class Zach Riley teaches students how to lay out navigational tracks on a chart during a basic crewman training BCT classroom session at Naval Amphibious Base Coronado BCT is the first phase of the Special Warfare Combatant-craft Crewman SWCC training pipeline SWCCs operate and maintain the Navy's inventory of state-of-the-art high-performance boats used to support SEALs in special operations missions worldwide U S Navy photo by Mass Communication Specialist 2nd Class Christopher Menzie/Released 2008-07-29 080729-N-6552M-035 Navy http //www navy mil/view_image asp id 62120 U S Navy photo by Mass Communication Specialist 2nd Class Christopher Menzie PD-USGov-Military-Navy Naval Amphibious Base Coronado |