Complex sentence: The ship was in commercial operation until 1939 when apparently laid up awaiting scrapping until the outbreak of World War II and acquisition by the War Shipping Administration and eventual transfer of title to the War Department for use as an Army troop transport.
Split into simpler sentences: The ship was in commercial operation until 1939 when apparently laid up awaiting scrapping. At the outbreak of World War II the ship was acquired by the War Shipping Administration with eventual transfer of title to the War Department for use as an Army troop transport.