Keywords: US Navy 070828-N-1810F-078 Ships prepare to enter Miraflores Locks, one of 3 locks used to raise and lower ships as they transit the canal.jpg en PANAMA Aug 28 2007 Ships prepare to enter Miraflores Locks one of 3 locks used to raise and lower ships as they transit the canal Civil and military forces from 19 countries will participate in PANAMAX 2007 a U S Southern Command joint and multi-national training exercise co-sponsored with the Government of Panama focusing on ensuring the defense of the Panama Canal one of the most strategically and economically crucial pieces of infrastructure in the world U S Navy photo by Mass Communication Specialist 2nd Class Todd Frantom RELEASED 2007-08-28 070828-N-1810F-078 Navy http //www navy mil/view_image asp id 50133 U S Navy photo by Mass Communication Specialist 2nd Class Todd Frantom PD-USGov-Military-Navy Ships in the Panama Canal PANAMAX 2007 Pictures by Mass Communication Specialist Todd Frantom 2007 in Panama Tankers Panama Canal mule railway |