The IR Camera that Ben uses has the same settings (.95/20/0 degrees C), day or night wherever and whenever it was used because the on-loan IR camera was dropped and broke during the filming. Then IR footage was created using video effects to resemble actual IR camera footage. (According to director Daniel Myrick).
Kenny Taylor is a former Navy SEAL and one of the Phase 1 instructors in the documentary series "Navy SEALs Class 234".