Keywords: US Navy 090430-N-7092S-448 Helicopter Sea Combat Squadron (HSC) 26 MH-60S Knighthawks conduct anti-submarine operations near amphibious transport dock ship USS Mesa Verde (LPD 19) during UNITAS Gold.jpg en ATLANTIC OCEAN April 30 2009 Helicopter Sea Combat Squadron HSC 26 MH-60S Knighthawks conduct anti-submarine operations near amphibious transport dock ship USS Mesa Verde LPD 19 during UNITAS Gold This year marks the 50th iteration of UNITAS a multinational exercise that provides opportunities for participating nations to increase their collective ability to counter illicit maritime activities that threaten regional stability Participating countries and observers are Argentina Brazil Canada Chile Colombia Dominican Republic Ecuador Germany Mexico Peru U S and Uruguay U S Navy photo by Mass Communication Specialist 2nd Class Brandon Shelander/Released 2009-04-30 090430-N-7092S-448 Navy http //www navy mil/view_image asp id 71321 U S Navy photo by Mass Communication Specialist 2nd Class Brandon Shelander PD-USGov-Military-Navy UNITAS 50-09 USS Mesa Verde LPD-19 Helicopter Sea Combat Squadron 26 United States Navy |