Complex sentence: Taylor has worked on various programs for the Department of Defense and NASA for over sixteen years He is currently working on several advanced propulsion concepts, very large space telescopes, space-based beamed energy systems, and next generation space launch concepts.
Split into simpler sentences: Taylor has worked on various programs for the Department of Defense and NASA for over sixteen years. He's currently working on several advanced propulsion concepts, very large space telescopes, space-based beamed energy systems, and next generation space launch concepts.