He followed orders and ran an effective disinformation campaign.
Think of the Pentagon as a bureaucracy that just does what they’re told. If the President says they should invade a country X, they draw up the plans, figure out the logistics, and invade country X. If the President says invade country Y, same thing, just with country Y instead of country X. They follow orders, it’s kinda a big thing in the military.
Trump ordered a disinformation campaign in the Philippines, so this guy ran an effective disinformation campaign in the Philippines. If the President wanted to run a disinformation campaign in Russia this would be a guy they’d want to do it.
Follows orders and is good at his job, that’s the criteria needed for a promotion.