180409-N-UP035-0257 PUERTO BARRIOS, Guatemala (April 9, 2018) Lt. Cmdr. Jason Souza, right, a plastic surgeon, and Lt. Cmdr. Clarence Tang, a oral surgeon, assess a 4-year old Guatemalan boy for facial reconstruction surgery at the expeditionary medical unit in Puerto Barrios, Guatemala, during Continuing Promise 2018. U.S. Naval Forces Southern Command/U.S. 4th Fleet has deployed a force to execute Continuing Promise to conduct civil-military operations including humanitarian assistance, training engagements, and medical, dental, and veterinary support in an effort to show U.S. support and commitment to Central and South America. (U.S. Navy photo by Mass Communication Specialist 1st Class Mike DiMestico/Released)