Complex sentence: By mid- 1985, $1.2 million in private and corporate donations had been raised and construction of a new Museum was underway and in November of the same year, the new Museum was deeded to the United States Air Force and opened to the public.
Split into simpler sentences: By mid- 1985, $1.2 million in private and corporate donations had been raised, and construction of a new museum was underway. In November of the same year, the new museum was deeded to the United States Air Force and opened to the public.