Complex sentence: Afterwards, Bond meets with Melina, and they recover the ATAC from the wreckage of the "St Georges", but Kristatos is waiting for them when they surface and he takes the ATAC.
Split into simpler sentences: Afterwards, Bond meets with Melina, and they recover the ATAC from the wreckage of the "St Georges". But Kristatos is waiting for them when they surface and he takes the ATAC.