George Washington's headquarters flag makes historic return to Philadelphia

Always Faithful: Marine raises thousands of dollars for vet he just met

Watch: US soldier reunites with pup she saved in Iraq

Kentucky middle schoolers design 3D-printed device to help fight opioid crisis

World War II veteran, 94, will finally earn high school diploma

Nearly 100 volunteers help renovate Korean War veteran's home: 'I'm really thankful'

Nation's oldest WWII veteran, Richard Overton, turns 112: 'He's a crackerjack'

North Carolina WWII veteran celebrates 100th birthday: 'He is extraordinary'

Ex-NASA engineers are building a 'revolutionary' underwater 'transformer'

'Day of Service' to help thousands of veterans get free dental care

Commercial space travelers will soon be able to send a tweet from space