Volunteers carry a patient from an MH-60S Sea Hawk helicopter assigned to the Sea Knights of Helicopter Sea Combat Squadron 22. Injured victims from the earthquake are being treated by as many as 70 doctors and nurses that have volunteered their time from other nongovernmental organizations. Several U.S. and international military and nongovernmental agencies are conducting humanitarian and disaster relief operations as part of Operation Unified Response after a 7.0 magnitude earthquake caused severe damage in and around Port-au-Prince, Haiti, Jan. 12.