Colombian singer Juanes (L) gestures next to U.S. Ambassador to Colombia William Brownfield during the arrival ceremony of the USNS Comfort in Tumaco June 7, 2009. The USNS Comfort, a hospital ship, will offer medical assistance to residents and help rebuild schools and hospitals as part of a humanitarian mission. REUTERS/John Vizcaino (COLOMBIA HEALTH EDUCATION POLITICS MILITARY SOCIETY)