Jeremiah Ridgeway, a US soldier who served in Afghanistan in 2007, sent in these pictures. A US soldier takes cover from dust and debris as a Chinook helicopter lands on an improvised landing zone.
"Four local construction contractors awaiting work on a US forward operating base. The US military relies on locals to build and improve remote outposts in Afghanistan."
"An Afghan child waits for medical treatment from US Army medics. Nuristan, Afghanistan, January 2007. US forces provide vital medical aid and supplies to the local populace throughout Afghanistan."
"US mortar systems provide much needed relief for convoys and patrols that come under attack from insurgents."
"Afghan Special Forces soldiers relax around a crowd of local children."
"An Afghan soldier in Kamdesh, a village in the Nuristan province of Afghanistan. Winter 2006, in support of Operation Enduring Freedom VII."
"SPC Jason Westbrook receives treatment from a fellow soldier after taking RPG shrapnel through his right hand."
"A US soldier pays his respects at a memorial for a helicopter crash."
"A 120mm US mortar engages insurgents from a mountain-top outpost."
"Sgt Robert Marrone guards a mountain-top helicopter landing zone from a sandbag position".