Colonel Lewis Hofmann, 779th Medical Group Pentagon Annex director, assists Joel Nicholas, a repatriated U.S. citizen, with his medical screening Jan. 17, 2010, at Joint Base Andrews. Mr. Nicholas and 21 other survivors of the 7.0-magnitude earthquake that hit Haiti Jan 12 returned to the U.S. with Secretary of State Hillary Clinton. (U.S. Air Force photo by Staff Sgt Melissa Stonecipher)