POPLAR BLUFF, Mo. (KBSI) — A piece of aviation history recently touched down at Poplar Bluff Regional Business Airport. A 1943 Beech RC-45J stopped at the airport to refuel, giving airport staff an up-close look inside the historic aircraft. The plane belongs to the Beechcraft Model 18 family, which served the U.S. military in several roles, including transportation, navigation...