On the July 24, 2015 edition of 99% Invisible.
The United States Military is not known for being touchy-feely. There’s not much hugging or head-patting, and superiors don’t always have the authority to offer a serviceman a raise or promotion.
When a member of the Army, Navy, Air Force, Marine Corps, or Coast Guard wants to show appreciation, love, sympathy, or professional connection, they can use challenge coins [...]
