Complex sentence: The first C-17 squadron was operational (17th Airlift Squadron) in January 1995 and the squadron was inactivated on 1 October and C-17 support was transferred to the 418th Flight Test Squadron.
Split into simpler sentences: The first C-17 squadron was operational (17th Airlift Squadron) in January 1995. The squadron was inactivated on 1 October and C-17 support was transferred to the 418th Flight Test Squadron.