Keywords: Defense.gov News Photo 070722-N-8704K-184.jpg en U S Public Health Service Lt Cmdr Gregg Langham center and U S Army Sgt Leona Thomas right inject cattle with anti-parasite and tetanus vaccinations at the Dos Potrillos Ranch in Villanueva Nicaragua on July 22 2007 Langham and Thomas are attached to the hospital ship USNS Comfort T-AH 20 The Military Sealift Command hospital ship is on a four-month humanitarian deployment to Latin America and the Caribbean to provide medical treatment to patients from a dozen countries 070722-N-8704K-184 Navy http //www defense gov/photos/newsphoto aspx newsphotoid 9381 2007-07-22 en Petty Officer 2nd Class Joshua Karsten U S Navy PD-USGov-Military Check categories 2012 August 20 Import by User Slick-o-bot/Defense gov News Photos Defense gov photos requiring renaming Taken with Nikon D200 United States Army |