Harry Humphries Harry Humphries ( born November 17 , 1940 ) is a highly decorated former United States Navy SEAL who currently works as a consultant and actor on Hollywood films . After graduating from Admiral Farragut Academy and attending Rutgers University in New Jersey , Humphries joined the Navy , where he was assigned to UDT 22 and SEAL Team 2 . In 1971 , Humphries left the Navy with an Honorable Discharge . After a career with Henkel KGaA , the German Multi National Chemical Company , he moved to California where he started Global Study Group , Inc . ( " GSGI " ) . Humphries currently resides in Huntington Beach , California where he works full - time as a Security Consultant and Entertainment Technical Adviser / Actor . Military career . Soon after joining the Navy , Humphries completed UDTR ( Underwater Demolition Team Replacement ) Class 29 . This was before BUD / S was created . After working on UDT 22 for some time , Humphries volunteered and was accepted into SEAL Team Two alongside Richard Marcinko , who would later in life go on to write The New York Times best selling book " Rogue Warrior " , an autobiographical account of his life in the Navy ( Humphries is mentioned numerous times throughout the book ) . Humphries was involved in over 200 combat missions and served two tours in Vietnam , first as a member of SEAL Team TWO under Marcinko , and then later as a " PRU Advisor " with Phoenix Program ' s Counter - Terrorism unit . It was during this second tour of duty when he was severely wounded . One of Humphries ' most famous operations was during the Tet Offensive when he and other SEALs drove into Chau Doc to rescue medical personnel trapped in a crossfire . It was for this action that Humphries was awarded a Bronze Star . In 1969 , after being promoted to Petty Officer First Class , Harry Humphries left the Navy . GSGI ( Global Study Group Inc . ) . Tactical . While GSGI mostly works within the film industry , they formerly offered tactical training to police and military units . Humphries was a tactical instructor with the Advanced HRT ( Hostage Rescue Team ) Instructors program at Eastern Michigan University . He was also a tactical instructor at Gunsite Training Center near Paulden , Arizona . He also participated in the Illinois University Police Training Institute Master Instructor program . He still does some training for Law Enforcement , Military and qualified civilians . Consulting . With GSGI , Humphries has for the last few years focused on consulting for Hollywood movies . Humphries acts as tactical consultant / advisor , technical advisor , script consultant , military advisor , stuntman and producer . Humphries has worked with numerous directors on many different movies . He has done several movies with Michael Bay , Tony Scott , Antoine Fuqua , and Ridley Scott . He has also worked with other well - known directors such as John Woo and Brian De Palma . He has an extensive resume of consulting credits . Actor . In addition to consulting and advising , Humphries occasionally works as an actor . He has been given small but memorable roles in a few of the movies he ' s done consulting work for . ISS ( International Security Solutions LLC ) . While most of his work is with GSGI , Humphries also owns and operates ISS , a security consulting firm specializing in government contracts related to domestic counter - terrorism preparedness with a focus on Weapons of Mass Destruction ( WMD ' s ) . Qualifications / capabilities . Humphries is a graduate of various tactical / military / law enforcement programs in several states and countries . A former Navy SEAL , he also earned these qualifications :