Ukraine looking for retired pilots to fly F-16s until they can get their own pilots trained

"If you're a retired F-16 pilot and you're looking to fight for freedom, they will hire you here," said  Sen. Lindsey Graham.  Only 20 Ukrainian airmen in U.S., Dutch and Danish training programs are expected to be ready to fly F-16s this year.

Ukraine seeks retired F-16 pilots to fly its jets while it trains new pilots - ABC 10 News San Diego

Ukraine's Zelenskyy displays newly arrived F-16 fighter jets to combat Russia in the air - ABC News