28 people. According to the writers in the provisional storyline for season 5, Grey's marriage to Joss Morgan would cause difficulties as she is an independent woman and not prepared to submit to the normal restrictions of a Unit member's wife. With Jonas' retirement and Mack leaving the Unit for a training post, Grey is promoted to team leader at the end of the season and trains up new recruits in order to bring the squad up to full strength. Awards and decorations The following are the medals and service awards fictionally worn by Sergeant First Class Grey. Hector Williams Sergeant First Class Hector Lucian Williams (United States Army, call sign: Hammerhead) (portrayed by Demore Barnes) was a Unit operator assigned to Alpha Team of the 1st Special Actions Group (official cover as the "303rd Logistical Studies Group"). He was an experienced marksman, and frequently served as a sharpshooter for the team. According to his uniform, he was both Ranger and Special Forces qualified. Williams was likely the most diverse member of Alpha Team. He served as one of the team's medics, and was possibly an SF medical sergeant prior to joining the Unit. He was also cross trained in breaching demolitions. He, along with Charles Grey, also served as an instructor in close quarters battle for a SWAT unit, and designed the deliberate assault plan for the Braydon School Takedown in the "In Loco Parentis" episode. He was fluent in Arabic and Spanish, as well as Papuan Tok Pisin, and could speak German, Portuguese and a Pashto/Urdu dialect. Hector's cover was that of a "logistics clerk". In Season 1, Hector was engaged to the daughter of a retired paratrooper who looked upon Hector with disdain due to his career in "logistics". The paratrooper was familiar with Colonel Tom Ryan, and asked for Hector to be transferred to the 82nd Airborne Division. Ryan let the father know subtly that Hector was not in logistics but actually a counter-terrorist. The father's attitude toward Hector changed, which Hector's fiancée noticed. He came clean to her that he was in counter-terrorism, and she, not seeing job security out of the Army in his future, ended the relationship. In Season 3, Hector met a woman named Annie at a local bar. She was a waitress and former US Army medic who happened to know Tiffany. They went on a date and then shortly thereafter