Hospitalman Ronald Lavalle, left, Peruvian navy Lt. Mariann Rossi, Canadian army Master Cpl. Joan Flecknell, and Canadian army C

110719-F-ET173-074
ACAJUTLA, El Salvador (July 19, 2011) Hospitalman Ronald Lavalle, left, Peruvian navy Lt. Mariann Rossi, Canadian army Master Cpl. Joan Flecknell, and Canadian army Capt. Alex Vo perform dental procedures during a Continuing Promise 2011 community service medical event at the Polideportivo medical site. Continuing Promise is a five-month humanitarian assistance mission to the Caribbean, Central and South America. (U.S. Air Force photo by Staff Sgt. Alesia Goosic/Released)

110719-F-ET173-074
 ACAJUTLA, El Salvador (July 19, 2011) Hospitalman Ronald Lavalle, left, Peruvian navy Lt. Mariann Rossi, Canadian army Master Cpl. Joan Flecknell, and Canadian army Capt. Alex Vo perform dental procedures during a Continuing Promise 2011 community service medical event at the Polideportivo medical site. Continuing Promise is a five-month humanitarian assistance mission to the Caribbean, Central and South America. (U.S. Air Force photo by Staff Sgt. Alesia Goosic/Released)