Complex sentence: Company A (Captain John C. Moore), Company B (Captain James M. Tindel), Company C (Captain Malcolm M. Burke), and Company D (Captain John G. Harrison).
Split into simpler sentences: Company A (Captain John C. Moore), Company B (Captain James M. Tindel), Company C (Captain Malcolm M. Burke), and Company D (Captain John G. Harrisson). Company (Captain John C. Moore) and Company (Captain John G. Harrison).