incoming 53rd signal battalion commander lt col jason n daugherty left receives the 53rd signal battalion flag from 1st space brigade commander col richard zellmann june 8 during a change of command ceremony at the us army space and missile defense commandarmy forces strategic command peterson air force base colorado headquarters pfd7fy.jpg from 源头机房（tg1ws com）signal（2023已更新）推广手段（tg1ws com）signal（2023已更新）推广手段 vbe View Photo