U.S. Air Force Master Sgt. Matthew Hourigan installs leveling jacks on a mobile airfield operations center at Leopold Sedar Senghor International Airport in Dakar, Senegal, Oct. 17, 2014. Hourigan is assigned to the Kentucky Air National Guard’s 123rd Contingency Response Group. U.S. Air Force Master Sgt. Matthew Hourigan installs leveling jacks on a mobile airfield operations center at Leopold Sedar Senghor International Airport in Dakar, Senegal, Oct. 17, 2014. Hourigan is assigned to the Kentucky Air National Guard’s 123rd Contingency Response Group. SHARE: Download: Full Size (3.42 MB) Tags: Photo Essays Credit: VIRIN: 289288-U-EBC92-560.jpg Photo Gallery