Pybus graduated from University of Rochester in 1979 and was commissioned through the Navy Reserve Officers Training Corps . After his commission as an ensign in the U.S. Navy , he reported to Basic Underwater Demolition/Sea , Air , Land training in Coronado , Calif . He graduated with BUD/S class 105 in December 1979 . He has served operationally in an Underwater Demolition Team , SEAL Team , SEAL Delivery Vehicle Team and Special Boat Team . As a platoon commander with SEAL Team ONE , Pybus completed a deployment to the Philippines . In 1984 , Pybus was assigned to SEAL Team Six and completed a grueling selection and training course . Pybus went on to serve as Assault Squadron Commander during the Achille Lauro hijacking
Achille Lauro hijacking
Achille Lauro hijacking
Sean A. Pybus