Two MH-139A Grey Wolf helicopters completed their first operational mission Jan. 8, escorting a Minuteman III intercontinental ballistic missile convoy.
The government refused to accept delivery of new F-35s for a year between 2023 and 2024, which led to jets being stockpiled at Lockheed Martin facilities.
The YPG, a backbone of the SDF, has led the fight against the militants of the extremist Islamic State group and has been a proven top U.S. ally in Syria.