Professional/Adult Life

-After graduating from Naval training camp and finishing Hospital Corpsman A school, he entered into SEAL school.

-Originally he was in the graduating SEAL class of 226, but after suffering from a fractured femur on the training course he ended up graduating with SEAL class 228.

-Marcus was the lone survivor in the famous military mission "Operation Red Wings" which was where a four-man Special Reconnaissance team was discovered by a local herdsman on an Afghanistan hillside.

-This book that he wrote was also turned into a movie.