Question: The 601 is equipped with which American all-weather, carrier-capable tactical airborne early warning (AEW) aircraft?
Sentence (from "Northrop Grumman E-2 Hawkeye"): The aircraft's performance has been upgraded with the E-2B, and E-2C versions, where most of the changes were made to the radar and radio communications due to advances in electronic integrated circuits and other electronics.
Relevant evidence: No