how old is the marine corps
A Marine field cook, stationed in Bermuda, with a cake he baked for the Marine Corps' birthday in 1943.US Marine Corps photo. The Marine Corps, which turned 240 years old on Tuesday, has served a role in every conflict in US history. That's because the Marines operate on sea, air, and land â unlike the other service branches â and can respond to a crisis in less than 24 hours with the full force of a modern military.