Action, Adventure, Thriller
Henry Cavill also played a CIA Operative in The Man from U.N.C.L.E. (2015).
Your mission, should you choose to accept it. I wonder, did you ever choose not to? The end you've always feared is coming. And the blood will be on your hands. The fallout of all your good intentions.
HALO is an acronym and stands for High Altitude, Low Opening, not Low Oxygen as quoted.