U.S. National Guard utilize the S-Max Stairclimber at Andrews Air Force Base

Members of the 201st Airlift Squadron (District of Columbia) — took delivery of the S-Max Sella and were fully trained in the use of the unit in 2010. The 201st Squadron is the first unit of the U.S. Forces to acquire the S-Max to assist disabled passengers in and out of aircraft safely, more efficiently, reliably, and with dignity.