U.S. Navy Damage Controlman (DC1) Adam Burg directs a "Visit Board, Search and Seizure" exercise using dummy weapons on the USS Fort McHenry in Dakar's harbor April 10, 2008. The United States is stepping up its naval presence in the lawless waters off West Africa to secure vital oil supplies and curb drug smuggling being used to finance terrorism, Rear Admiral Anthony Kurta said. The USS Fort McHenry is a Whidbey Island Class Dock Landing Ship. REUTERS/Normand Blouin (SENEGAL) BEST QUALITY AVAILABLE