The incident is under investigation.
Oakley was "found deceased in his on-post quarters" on Wednesday, adding that foul play is not suspected.
Defense Secretary Mark Esper is pledging to improve the way troops are treated while in coronavirus quarantine.
Meet Cooper Chester X, the 3rd Armored Brigade Combat Team, 1st Armored Division's 3-year-old mascot.
Pfc. Glendon Oakley received the Army Commendation Medal earlier this year.
Pfc. Glendon Oakley Jr. received an Army Commendation Medal for guiding children away from the gunfire.
"I am in the military and I've got my license to carry, so all I think about is get my gun out and think fast."
The automated logistical specialist with 86th Expeditionary Signal Battalion died May 18.
Officials say an Army sergeant has been charged with murder in the death of his wife on a West Texas military base.
Cpl. Cole Trevor Wixom, 24, and Pfc. Jamie R. Riley, 21, died when two Stryker vehicles reportedly crashed into each other.