U.S. Navy Lt. Andrea McCoy explains how to submit samples to the Naval Medical Research Center mobile laboratory to a health worker in Liberia, Oct. 7, 2014. U.S. Navy Lt. Andrea McCoy explains how to submit samples to the Naval Medical Research Center mobile laboratory to a health worker in Liberia, Oct. 7, 2014. SHARE: Download: Full Size (0.16 MB) Tags: Photo Essays Credit: VIRIN: 488726-A-PHC08-367.jpg Photo Gallery