Petty Officer 1st Class Brian Carr, the independent duty corpsman for Headquarters and Service Company, 2nd Marine Logistics Group (Forward), weighs his pack before starting the Danish Contingent at Camp Bastion, Afghanistan, May 8, 2011. The Dancon is a 25-kilometer march the Royal Danish Army hosts wherever its troops are deployed. - Petty Officer 1st Class Brian Carr, the independent duty corpsman for Headquarters and Service Company, 2nd Marine Logistics Group (Forward), weighs his pack before starting the Danish Contingent at Camp Bastion, Afghanistan, May 8, 2011. The Dancon is a 25-kilometer march the Royal Danish Army hosts wherever its troops are deployed.