Tyler Grey, who plays Trent a.k.a Bravo 4, is a former US Army Ranger. He served in the 75th Ranger Regiment, 2nd Battalion as a sniper. He was medically discharged after sustaining injuries from an improvised explosive device in 2005. His wounds are noticeable on his right forearm.
Ever since before 2011 U.S. Military Special Operations Forces started wearing the 4 tube Panoramic Night Vision Goggles (PNVGs) that provide a wider field of vision, and depth perception as to not run into walls, trees, obstacles.
Tyler Grey, who plays Trent finished up his military service in 1st Special Forces Operational Detachment Delta (1st SFOD-D) Delta Force after an injury obtained during an operation where he was hit by a grenade.
Kinetic Op, or Kinetic Operations, is just another phrase for lethal operations. That is, the killing of an enemy as oppose to disarming or taking away the ability to fight, such as jamming the communication equipment of a hostile party.