Original sentence: SWAT (Special Weapons And Tactics) is an elite unit in many American police departments, which is trained to perform exceptionally dangerous, high-risk, counter-terrorism operations that fall outside of the abilities of patrol officers
Edited sentence: SWAT (Special Weapons And Tactics) is an elite counter-terrorist tactical unit, similar to Navy Seals and the German GSG-9 tactical unit, in many American police departments, which is trained to perform exceptionally dangerous, high-risk, counter-terrorism operations that fall outside of the abilities of patrol officers