RIO DE JANEIRO (Aug. 12, 2011) Brazilian Navy Adm. Prado Maia, right, Chief of Naval Operations (CNO) Adm. Gary Roughead and Chief of the Brazilian Navy Staff Adm. Mauro Neto, watch with other Navy and Marine Corps leaders as members of an amphibious unit march during an amphibious demonstration at Brazilian Marine Division Headquarters. (US Navy photo by Chief Mass Communication Specialist Tiffini Jones Vanderwyst/Released)

[Image courtesy of the US Navy Website.]