Coleman Knabe, a graduate student at Virginia Tech, assists as the Office of Naval Research-sponsored Shipboard Autonomous Firefighting Robot (SAFFiR) extinguishes a fire during testing aboard the Naval Research Laboratory's ex-USS Shadwell located in Mobile, Ala. SAFFiR is a bipedal humanoid robot being developed to assist Sailors with damage control and inspection operations aboard naval vessels. (U.S. Navy photo by John F. Williams/Released)