During the series pilot of The Unit, Blane takes down a private jet with five terrorists on board, incurring the wrath of the FBI for violating the Posse Comitatus Act.
At the end of the first episode, when a mechanical speaking toy repeats an Arabic phrase, he pivots around and fires two rounds from his pistol into a bedroom mirror, a reaction presumably caused by stress.
The Season 3 premiere had him changing his appearance by shaving his head and growing a goatee (similar to Dennis Haysbert's famous character in the Major League series, Pedro Cerrano).
Years of continual combat have left Jonas with numerous injuries including three pieces of shrapnel close to the spine that would enable him to retire on full disability benefits should he wish to do so.
His medal ribbons include a Bronze Star and Purple Heart although these were presumably awarded before he joined the Unit, whose members do not seem to receive decorations for their heroism.
Although wounded numerous times during the course of the series member of the Unit are never awarded medals (his decorations including a Bronze Star stem from 2 tours in Iraq with the Air Cavalry).
He would have been aided in his recuperation by veteran Ron Cheals and Crystal Burn's badly scarred ex-boyfriend Jeremy, allowing the series to tackle the controversy over the Army's treatment of injured soldiers.
At first, she is confused by the new rules of the wives of Unit team members, but soon Jonas Blane's wife, Molly, takes Kim under her wing and shows her the ropes.
Gerhardt has worked as an operator with Blane and his team on a multitude of missions, including the recovery of a radioactive component of a Chinese satellite, the rescue of the drug minister of Mexico, the assassination of a terrorist financier in Spain, the bugging of an Iranian official's car at their embassy in Beirut, the recovery of seven Stinger Missiles from a Brazilian arms dealer, and the apprehension of a Serbian war criminal in the Balkans.
Mack killed a goatherd who would have compromised the mission, as well as their local contact after an explosion's debris pinned her to the ground to spare her from imminent capture, torture and death.
The next day, she shows up at his home, hoping to pursue an affair with him, but Mack rejects her, telling her the one night stand was a mistake and he doesn't want to risk losing his marriage over it.
Ultimately, after convincing the reporter that Crystal is psychologically unstable (with fake medical records), he gives him the option to drop the story and leave for good.
He later tries to kill Ryan while on a combat mission but eventually cannot bring himself to do so, mindful of his own adultery with Crystal, as well as a threesome he had with a pair of Russian prostitutes while on foreign assignment.
However, when Tiffy becomes pregnant with their third child he would apply to become an officer and at the end of the season he would leave the Unit for a non-combat training post in order to better provide for his family.
Knowing that she has jeopardized her marriage, Tiffy files for divorce and takes a job as an exotic dancer to pay the bills, although she and Mack slowly resolve their differences.
Despite serving as the team's primary engineer/demolition specialist (possibly having been an 18 Charlie "United States Army Special Forces Engineer Sergeant"), he is also cross-trained as a medic.
He was also responsible for helping Sergeant Major Blane's wife, Molly, train a young Unit support staffer in offensive driving in order to qualify him for a job with Blackthorne Security, a private military company.
Along with Hector Williams, he instructed a SWAT unit in advanced closed quarters battle tactics, and designed the deliberate assault plan for the Braydon School takedown in "In Loco Parentis".
He along with Mack Gerhardt, served as a spotter, for Bob Brown and Hector Williams, who were snipers, when they engaged vehicles and personnel at 2320 m during the "Dark of the Moon" episode.
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.
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.
The newly wed Charlotte was shot twice in the back when a Serbian war criminal discovered the Unit's headquarters and attacked Alpha Team at Ryan's post-wedding celebration.
She is highly intelligent and speaks fluent Arabic and French, and like the rest of the team is willing and able to kill in cold blood if ordered to, such as the assassination she executes in "Best Laid Plans".
In the mid-season, she would be mortally wounded on a mission, her dying words forgiving Sam for the fake rape, her death in turn aggravating Jonas' combat stress.
One of her brothers would refuse to accept the cover story surrounding her death and ally himself with the human rights group attempting to expose and prosecute the Unit.
"[2] According to the writers; in season 5, it was planned that Bridget Sullivan would discover that Sam is actually gay, hence his reputation as a loner and his lack of long term relationships with women.
Ironically given their history Bridget would become his trusted confidant and when she is mortally wounded on a mission her dying words are to forgive him for the fake rape he made her endure.
According to the writers in the provisional storyline for season 5, Grey's marriage to Joss would cause difficulties, as she is an independent woman and not prepared to submit to the normal restrictions of a Unit member's wife.
The newly wed Charlotte is shot twice in the back when a Serbian war criminal discovers the Unit's headquarters and attacks Alpha Team at Ryan's post-wedding celebration.
In Season 2, Charlotte is on the brink of legal trouble when she runs another driver off the road while under the influence of drugs, a crime that Tiffy Gerhardt takes the heat for.