ALPENA, Mich. ā Col. John Miner took command of Alpena Combat Readiness Training Center in a ceremony held on base Nov. 28. He succeeds Col. Andrew Roberts, who had led the CRTC since 2014.The change of command ceremony was officiated by Maj. Gen. Leonard Isabelle, Commander of the Michigan Air National Guard, who offered Miner a charge.āIām going