 OSHKOSH, Wis.--BUSINESS WIRE--- OSK--Oshkosh Corporation NYSE: OSK, a leading innovator of mission-critical vehicles and essential equipment, is making two announcements this morning. Fiscal Year Change The Companys Board of Directors approved a change in the Companys fiscal year to a calendar year beginning on January 1 and ending on December 31, effective for the fiscal year beginning January 1, 2022 Calendar 2022. Historically, the Companys fiscal year began on October 1 and ended on Septe 