Petty Officer 1st Class Doc Bouchard, a hospital corpsman, sprays insect repellant on the uniforms of the 22nd Marine Expeditionary Unit and Maritime Expeditionary Security Squadron 6 aboard the amphibious dock landing ship USS Fort McHenry. The ship is underway to Haiti to participate in humanitarian and disaster relief operations as part of Operation Unified Response after a 7.0 magnitude earthquake caused severe damage near Port-au-Prince Jan. 12.