Complex sentence: A possible replacement for Sea King ASaC7 in the Airborne Early Warning role, are the spare FAA Merlins that will not be upgraded to HM2 standard, the spare Merlins could be upgraded to carry the same equipment and Cerberus radar suite as the Sea King ASaC7.
Split into simpler sentences: A possible replacement for Sea King ASaC7 in the Airborne Early Warning role are the spare FAA Merlins that will not be upgraded to HM2 standard. The spare Merlins could be upgraded to carry the same equipment and Cerberus radar suite as the Sea King ASaC7.