Soldiers attending the Charlie Company, 2nd Battalion, 1st Special Warfare Training Group of the U.S. Army John F. Kennedy Special Warfare Center and School Special Forces Combat Diver Qualification Course practice skills needed to perform amphibious infiltration, June 7, 2018, Key West Florida. Green Beret Combat Divers are assigned to U.S. Army Special Forces Operational Detachment – Alphas that specialize in maritime operations.

The SFCDQC is a seven-week course taught by the U.S. Army Special Forces Underwater Operations School at Key West, Florida, and is widely recognized as one of the most difficult advanced skills courses for Special Operations Forces. These SOF soldiers from the United States and partner nations graduate the course ready and capable of the elevated skills needed to operate in the multi-domain environment of current operations