The Wittman Regional Airport in Oshkosh is expanding, breaking ground this month on a project that adds 9 new leasable hangar spaces to the airfield.The new hangar will replace older hangars built in the 1970s. The $2.1 million project is mostly funded by grants.WATCH THE FULL BROADCAST HERE: Wittman Regional Airport to add 9 new hangar spacesJim Schell, Wittman Regional Airport director, said:"We were fortunate on both of these projects to rece…