Complex sentence: Truman enlisted in the 100th Aero Squadron--7th Squad of United States Army as a private on August 4,1917, later surviving the torpedoing of the "Tuscania" on February 5,1918, off the coast of Ireland.
Split into simpler sentences: Truman enlisted in the 100th Aero Squadron--7th Squad of United States Army as a private on August 4,1917. He survived the torpedoing of the "Tuscania" on February 5,1918, off the coast of Ireland.