13 13 1Actions You will earn this in the Campaign. The game has several 'Operations' (these are like chapters) and each Operation has several missions. Operation D has 5 missions. Just complete all 5 missions and the achievement will unlock.Showing only comment. Leave a comment. In case it happens for anyone else - this didn't pop for me. I went back and replayed the missions; it popped when I re-completed D4.Posted by A1exRD on 05 Mar 23 at 13:29 Leave a comment