Maj. Gen Peter Gersten retired as a colonel effective Jan. 1, spokeswoman Ann Stefanek told Military.com.
Following Guillen's murder, Army leaders have had to appear before Congress multiple times to answer for the tragedy.
Commandant Gen. David Berger reminded everyone that they needed to hold Marines accountable with a paper trail.
Capt. Brett Crozier's nameplate was reportedly taken as a souvenir, not removed by the Navy.
Maj. Gen. Stephen Neary was relieved as head of Marine Corps Forces Europe and Africa by Commandant Gen. David Berger.
The investigation into the deadly mishap is ongoing.
He had been on the job for less than three months.
Capt. Kai Torkelson was relieved of command by Vice Adm. Bill Galinis, according to a Navy news release.
The DoD IG report into allegations of James' sexual harassment and misconduct was completed July 13.
Cmdr. Robert Arias is at least the third Navy commander removed from his job in recent weeks.
As DoD officials look into reports of military participants, legal experts weigh in on what charges they might face.
Jacob Anthony Angeli Chansley, a 33-year-old Navy veteran, refused to take the anthrax vaccine while in the Navy.
Larry Rendall Brock Jr., an Air Force veteran seen brandishing zip tie handcuffs during the pro-Trump siege at the U.S...
Capt. Emily Rainey is scheduled to leave the Army in April after resigning her commission over earlier incidents.
The Marine Corps hit a milestone when three women completed drill instructor school at Marine Corps Recruit Depot San Diego.