Army Spc. Jerral Hancock sits for a portrait with his son Julius. It is believed that Hancock was trapped under the wreckage of his Army tank for half an hour before he was rescued. Courtesy of David Jay/Unknown Soldier hide caption

itoggle caption Courtesy of David Jay/Unknown Soldier

Jan Scruggs gazes up at the names of fellow military service members inscribed on the Vietnam Veterans Memorial in Washington, D.C. Steve Inskeep/NPR hide caption

itoggle caption Steve Inskeep/NPR

Scott Skiles, 61, and his son Zach Skiles, 32, had never sat down to talk about Zach's life after his deployment to Iraq --until their recent StoryCorps interview. StoryCorps hide caption

itoggle caption StoryCorps

"The bonds of community, of tribe, are a very, very particular thing." - Sebastian Junger Courtesy Of TED hide caption

itoggle caption Courtesy Of TED

Heavy smoke rises following an airstrike by the U.S.-led coalition aircraft in Kobani, Syria, during fighting between Syrian Kurds and the militants of the self-declared Islamic State in October 2014. Gokhan Sahin/Getty Images hide caption

itoggle caption Gokhan Sahin/Getty Images

Former Lance Cpl. Erik Galvan (right) and Sgt. Daniel Wheeler had a professional friendship that was nearly destroyed by an IED — but, with time, they reconciled. StoryCorps hide caption

itoggle caption StoryCorps

Three years ago, Air Force veteran Sara Creech quit her job as a nurse and bought a 43-acre farm in North Salem, Ind. She named her farm Blue Yonder Organic. John Wendle for Harvest Public Media hide caption

itoggle caption John Wendle for Harvest Public Media

Stefanie Pelkey, left, and T.J. Hart met while volunteering at a veterans center in Houston. StoryCorps hide caption

itoggle caption StoryCorps

As an Army chaplain in Iraq, David Peters administered last rites and grieved with survivors. When he came home, he says, he "fell apart emotionally and spiritually." Courtesy of Robert K. Chambers hide caption

itoggle caption Courtesy of Robert K. Chambers

Reporter Janine di Giovanni shares her stories about war and courage. Ryan Lash/TED/TED hide caption

itoggle caption Ryan Lash/TED/TED

Retired 1st Sgt. Keith Melick (right) and retired Army Special Forces Command Sgt. Maj. Roy Wilkins met when Melick, a medic, treated Wilkins after an IED explosion. They were reunited nearly 10 years later. StoryCorps hide caption

itoggle caption StoryCorps

Gary Walters demonstrates his self-cooling prosthetic. Leto Solutions via YouTube hide caption

itoggle caption Leto Solutions via YouTube