When it comes to uniforms, they're often reminders that you are part of something bigger than yourself. They also carry symbols, which is why the American Flag can appear backwards on U.S. military ...

Tim Marshall, the author of "Worth Dying for: The Power and Politics of Flags," explains why American flags are reversed on military uniforms ... on the left-hand side next to the flagpole ...

So we found a variety of paintings, and old and new photos, including some of war reenacters, to highlight the major advancements in US Army uniforms. Check them out below.