Lt. Gen. William B. Caldwell takes Sen. Lisa Murkowski on a tour of a Kabul training facility, Jan. 9, 2010. The general has been accused of using psychological profiles to influence American visitors to Afghanistan. US Navy/Francis J. Carroll hide caption

itoggle caption US Navy/Francis J. Carroll

Along with caring for her own children, Jihan Sanders takes care of the children of her best friend, operations specialist Petty Officer 1st Class Sheena Sullen, while Sullen is deployed with the guided missile destroyer USS Mahan. Before bed, Sanders hugs Zaria Sullen-Polk, 8, while Sanders' son Darric, 9, and daughter Tashawn, 12, get ready to say good night. Amanda Lucier/The Virginian-Pilot hide caption

itoggle caption Amanda Lucier/The Virginian-Pilot

Soldiers left Fort Campbell, Ky., for Afghanistan last February. Now, the base is getting ready to welcome 17,000 soldiers home. Four combat brigades and an aviation unit will leave Afghanistan after the deadliest year of fighting so far. Josh Anderson/AP hide caption

itoggle caption Josh Anderson/AP

Sarah Wade, 36, and her husband, Ted Wade, 33, of Chapel Hill, N.C., often travel to Washington, D.C. for his medical care after he was injured while riding in a Humvee in Mahmudiyah, Iraq, on Feb. 14, 2004, and suffered a traumatic brain injury, as well as an above-the-elbow amputation of his right arm. Sarah has also been actively lobbying to get the right kind of care for her husband. Coburn Dukehart/NPR hide caption

itoggle caption Coburn Dukehart/NPR

Operation Gratitude volunteer Joan Mazzarelli models one of the hats and scarves she knits for the care packages. Since March, the 98-year-old has knitted 527 scarfs for the troops. Courtesy of Maryssa D'Angelo hide caption

itoggle caption Courtesy of Maryssa D'Angelo