SAS Soldier Breaks Down CoD Modern Warfare SAS Missions | Expert Reacts Posted on October 23, 2022 By Charlielikes Mark “Billy” Billingham served in the British SAS for over 17 years. He was responsible for planning and executing strategic operations across the world, and has led countless hostage rescues. Tags:billy wilkins, breaks, cod, down’, expert, gaming, missions, modern, playstation, reacts, sas, soldier, warfare