Complex sentence: The crew were assembled on the flight deck to determine who would remain on board to save the ship while "Legion" came alongside to take off the rest; as a result, comprehensive damage control measures were not initiated until 49 minutes after the attack.
Split into simpler sentences: The crew were assembled on the flight deck to determine who would remain on board to save the ship while "Legion" came alongside to take off the rest. As a result, comprehensive damage control measures were not initiated until 49 minutes after the attack.