Complex sentence: Together the "Sable" and "Wolverine" trained 17,820 pilots in 116,000 carrier landings with 51,000 landings on "Sable" alone.
Split into simpler sentences: Together the "Sable" and "Wolverine" trained 17,820 pilots in 116,000 carrier landings. Of these, 51,000 landings were on "Sable" alone.