Builder Constructionman Nathan Crowell, right, assigned to Naval Mobile Construction Battalion (NMCB) 5, receives his annual inf

100917-N-0475R-126
HELMAND PROVINCE, Afghanistan (Sept. 16, 2010) Builder Constructionman Nathan Crowell, right, assigned to Naval Mobile Construction Battalion (NMCB) 5, receives his annual influenza vaccination from Hospital Corpsman 3rd Class Orlando Green at Camp Leatherneck, Afghanistan. The Seabees of NMCB-5 are deployed to Afghanistan executing general engineering, infrastructure construction and project management supporting Operation Enduring Freedom. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ace Rheaume/Released)

100917-N-0475R-126
 HELMAND PROVINCE, Afghanistan (Sept. 16, 2010) Builder Constructionman Nathan Crowell, right, assigned to Naval Mobile Construction Battalion (NMCB) 5, receives his annual influenza vaccination from Hospital Corpsman 3rd Class Orlando Green at Camp Leatherneck, Afghanistan. The Seabees of NMCB-5 are deployed to Afghanistan executing general engineering, infrastructure construction and project management supporting Operation Enduring Freedom. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ace Rheaume/Released)