correct consistency errors in the given paragraph:
It retained the open cockpit. It featured a smooth close fitting cowl, fixed landing gear, and was fully armed with four ShKAS 7.62-mm machine guns in the forward fuselage.
Retaining the open cockpit, it featured a smooth close fitting cowl, fixed landing gear, and was fully armed with four ShKAS 7.62-mm machine guns in the forward fuselage.