One of the soldiers is Spc. Sika Tapueluelu, a 26-year-old cannon crewmember from Tukwila, Washington according to military.com
Tapueluelu was assigned to 2nd Battalion, 15th Field Artillery Regiment, 2nd Brigade Combat Team, it said.
10th Mountain is still investigating the deaths, but spokesman Lt. Col. Josh Jacques said all three are believed to have been caused by self-harm and unconnected to one another.
Family members, the Tongan and army communities in Tukwila, held the funeral for Tapueluelu over the weekend according to Kaniva News.