Build a movie plot around this: what war did frank vega serve in? Vietnam War

--written by KrystelClaireThe film starts with photos and shorts of the Latin quarters. There are buses, plenty of grafitti, highways in the middle of the city of LA. Some of the shots have been taken from YouView, which works, obviously, the same as YouTube.Frank Vega (Shalim Ortiz) is travelling by bus, and two punks get in. He starts remembering his teenage years, saying that they were the simplest and the happiest. He was the son of some small local farmers, and had a beautiful girlfriend called Lindsay (Jillian Murray). He has to do something with his life, so he decides to join the Army, and ends up being tortured and wounded in Viet Nam. When he returns to the USA, he has to follow rehabilitation, and then he tries to come back to his life.However, when he visits adult Lindsay (Donzaleigh Abernathy), she is already married with two children. He tries to join the police forces, but his wonds cause him to be rejected. He can't find a decent job, as all the possible employees want university degrees and experience. Finally, he starts selling hot dogs in a street post. And 40 years have gone by, and Frank (Danny Trejo)'s life has slipped through his fingers.He repents about his life. When two punks enter the bus, they bother a passenger. Frank tells them to stop, so he becomes the object of their wrath, but he defends himself and ends up beating them to a pulp. Some other passengers record this with their mobile phones, and they upload it onto YouView with the title Bad Ass. Frank becomes an instant celebrity, and he and Mrs Vega (Tonita Castro) are interviewed at the morning programme LA Mornings by a journalist (Sam Rubin). Now, his community and the police respect him. Officer Marlak (Patrick Fabian) even takes with them on patrol.Three months later, Frank's mother dies. Father Miller (Richard Riehle) gives out a deep and nice speech, but Frank is sad anyway. He takes all the cutlery to their local church, as stated in her will. The rest will be for him.On TV, Mayor Williams (Ron Perlman) wants to...