ALPENA COUNTY, Mich., (WPBN/WGTU) -- A portion of M-32 will be closed for five hours on August 5 as the Air Force practices landing an aircraft on roadways designed for cars and trucks. According to the Air Force, the plan is to land four A-10 aircraft and two C-146 aircraft on a closed-off portion of the road near the Alpena Combat Readiness Training Center.