DISPUTANTA - Have you ever heard of challenge coins? Maybe you or someone you know has earned one in recognition of extraordinary service. During a follow-up story interview with Three Brothers' ...

The challenge coin of Brig. Gen. Lawrence Muennich, the Adjutant General of the Indiana National Guard. (Courtesy of ING) In just a few weeks, one Hoosier member of law enforcement will get a rare ...

The Maine Troop Greeters have a new, easier way for people to search through their collection of military challenge coins. More than 6,000 challenge coins line the wall at Bangor International Airport ...

Army challenge coins are popular in the United States, and while you are now interested in collecting some, you may not yet know how it started. Curious? Just keep reading! Challenge coins were born ...

Defense Secretary Robert Gates hands a challenge coin bearing his name to a service member at a forward operating base in Kandahar province, Afghanistan, in 2011. Photo by Jason Reed/Getty Images ...