The AV-8B, the original Harrier in the US military, has been officially retired. Newer, more-capable models of the versatile attack fighter remain in service.
Here’s a pic from Army Time Frontline Photos:
The caption reads
Four different generations of Harrier aircraft fly in formation as the AV-8B Day Attack Harrier is retired during a fly-by ceremony at Marine Corps Air Station Cherry Point, N.C., on Thursday. The AV-8B Harrier, which combined tactical mobility, responsiveness and flexibility, has been an essential element of the special combat and expeditionary requirements of the Marine Corps.