Question: What was the codename, in english, of the operation that the Lockheed C-130 Hercules of the 1st Transport group of the 1st Air Brigade was a part of when it was brought down by Montoneros in Operation Gardel?
Sentence (from "Airbus A400M Atlas"): The Airbus A400M Atlas is a multi-national, four-engine turboprop military transport aircraft.
Relevant evidence: No