Complex sentence: The state park includes the Puget Sound Coast Artillery Museum, a balloon hangar that was used for airships, three 3-inch anti-aircraft gun emplacements, and several restored quarters on Officers' Row.
Split into simpler sentences: The state park also includes the Puget Sound Coast Artillery Museum, and a balloon hangar that was used for airships. In addition, three 3-inch anti-aircraft gun emplacements are here, as are several restored quarters on Officers' Row.