Pfc. Tyler Thomas, 21, Spc. Sika Tapueluelu, 26, and Staff Sgt. Angel Green, 24, are all believed to have died by suicide within 48 hours of each other…Their deaths were announced officially by Fort Drum on September 19…Green was one of the last soldiers to return from Afghanistan during the chaotic US exit from Kabul and returned to the army base in New York on September 6…