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Mobile Riverine Force Association · Est. 1992

“The Excitement of the Unknown” – Colonel (USMC Ret.) Stephan A. Hanvey

The Excitement of the Unknown
The Evolution of “Seawolf99”, Pilot
and Experimental Test Pilot

By: Colonel Stephan A. Hanvey (USMC Ret.)
Combat Aviator and Test Pilot

Stephan A. Hanvey — call sign “Seawolf99” — is a U.S. Navy/USMC veteran, combat aviator, and experimental test pilot whose career took him
from 512 combat helicopter missions with the HA(L)-3 Seawolves in Vietnam to Chief Test Pilot on the Hughes/McDonnell Douglas AH-64 Apache
program, and later into advanced air mobility with ventures including Piaggio/SATSair and Alaka’i/Skai. He is the CEO at HS Diversified Solutions,
LLC  and Behavioral Dynamics, LLC, and serves as Association Treasurer (Radio Operator) of the Golden Eagles,
The Early and Pioneer Naval Aviators Association.


Here’s where you can purchase Stephan’s book:The Excitement of the Unknown is available in softcover ($40.99), hardcover ($50.99), and eBook ($6.99)
through WestBow Press, Amazon, and Barnes & Noble and other online bookstores.