Today: Mar 10, 2026

JSOC

A joint special forces team move together out of a U.S. Air Force CV-22 Osprey Feb. 26, 2018, at Melrose Training Range, New Mexico. At Emerald Warrior, the largest joint and combined special operations exercise, U.S. Special Operations Command forces train to respond to various threats across the spectrum of conflict.
A joint special forces team move together out of a U.S. Air Force CV-22 Osprey Feb. 26, 2018, at Melrose Training Range, New Mexico. At Emerald Warrior, the largest joint and combined special operations exercise, U.S. Special Operations Command forces train to respond to various threats across the spectrum of conflict. (U.S. Air Force photo/Senior Airman Clayton Cupit)

Inside the World of Tier 1 Special Mission Units

In the United States military, Tier 1 units are frequently referred to as Special Mission Units (SMU). They are a classification of Special Operations Forces, known for their involvement in high-profile military
6 years ago