After graduating from Recruit Training Command at Naval Station Great Lakes on November 27, 1999, he completed Gunner's Mate 'A' School there.

[5] Murphy went into an open clearing to get reception and call for support, he managed to reach the base, giving them the SEALs location as well as the number of enemies.

Exposed to enemy fire, he was shot in the back while making the call, it was this act that awarded Murphy the Medal Of Honor posthumously.

Dietz's body was found by a group of U.S. Air Force pararescuemen during a search and rescue operation, on 4 July 2005, and returned to the United States.

Petty Officer Dietz demonstrated extraordinary heroism in the face of grave danger in the vicinity of Asadabad, Kunar Province, Afghanistan.

Operating in the middle of an enemy-controlled area, in extremely rugged terrain, his Special Reconnaissance element was tasked with locating a high-level Anti-Coalition Militia leader, in support of a follow-on direct action mission to disrupt enemy activity.

Demonstrating exceptional resolve and fully understanding the gravity of the situation and his responsibility to his teammates, Petty Officer Dietz fought valiantly against the numerically superior and positionally advantaged enemy force.

By his undaunted courage in the face of heavy enemy fire, and absolute devotion to his teammates, Petty Officer Dietz will long be remembered for the role he played in the Global War on Terrorism.

Petty Officer Dietz's courageous and selfless heroism, exceptional professional skill, and utmost devotion to duty reflected great credit upon him and were in keeping with the highest traditions of the United States Naval Service.

[13]On July 4, 2007, the town of Littleton, Colorado erected a bronze lifesize statue of Dietz holding his rifle in a 'parade-rest' position on one knee.