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AOS was founded in 1996 by David and Kimberly. Originally a deep water-engineering project based in Honolulu, Hawaii, they transitioned into compressed breathing air systems for firefighters. They specialized in hydrostatic testing of cylinders.

Shortly after 9/11 they signed the PACAF contract with the U.S. Air Force and extended their services to areas where on-base services where crucial such as combat areas (Iraq, Afghanistan) and remote areas including Djibouti, Kyrgyzstan, Diego Garcia and parts of the Antarctic.

As the needs of their clients expanded, so did the services they provide. They now offer full-service contracts to fire departments giving way to an advanced system of servicing all equipment as a cohesive program. Their clients expand across the military worldwide as well as to large municipalities in Texas.