“On the 2nd July 2010 the Costa Rica Congress authorized the entry of 46 U.S. warships capable of carrying 200 helicopters and warplanes, plus 7,000 U.S. Marines “who may circulate the country in uniform without any restrictions” , plus submarine killer ships to the Costa Rican coast for “anti-narcotics operations and humanitarian missions’ between 1st July 2010 until 31st December 2010.”
http://www.welovecostarica.com/public/46_US_Warships_Plus_7000_US_Marines_On_Route_To_Costa_Rica.cfm