TAMPA TRIO U.S. Vice President Joe Biden talks with Air Force Col. David Cohen, 6th Air Mobility Wing vice commander, and Chief Master Sgt. Derrick Crowley, 6th Air Mobility Wing command chief, during the vice president's visit to MacDill Air Force Base, Fla., Jan. 28, 2010. Biden accompanied President Barack Obama to MacDill to conduct a townhall-style meeting at the University of Tampa. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 145907-B-EIC63-114.jpg Photo Gallery