Petty Officer 3rd Class Anthony Constantinidis secures a landing zone for a UH-60 Black Hawk helicopter. U.S. Navy Petty Officer 3rd Class Anthony Constantinidis, a medic with the Khost Provincial Reconstruction Team, secures a landing zone for a UH-60 Black Hawk helicopter during an air assault extraction in Spera, Afghanistan, on Nov. 16, 2009. Members of the Khost Provincial Reconstruction Team visited the district governor to assess progress being made in the area. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 433626-F-LWH87-780.jpg Photo Gallery