MC
3rd Battlion 5th Marines
U.S. Marine Corps
The 3rd Battalion, 5th Marines (3/5), known as "Darkhorse," was activated in 1917 and served with distinction in World War I, participating in the legendary Battle of Belleau Wood. During World War II, 3/5 fought in major Pacific campaigns, including Guadalcanal, Peleliu, and Okinawa. The battalion played critical roles in the Korean and Vietnam Wars, earning numerous unit citations for valor and effectiveness. In recent years, 3/5 deployed to Iraq and Afghanistan, notably enduring heavy combat in Sangin, Helmand Province, where it upheld its reputation for courage and resilience.