Christian Guerrero, hospitalman, conducts diagnostics on intravenous regulator pumps aboard the Military Sealift Command hospital ship USNS Comfort in preparation for treating victims of the 7.0 magnitude earthquake in Haiti. Comfort is deploying to conduct humanitarian and disaster relief operations after a 7.0 magnitude earthquake caused severe damage near Port-au-Prince, Jan. 12. Comfort brings the capability of one of the largest trauma facilities in the U.S., capable of providing a full spectrum of surgical and medical services.