Helicopter Bell UH-1H Iroquois Serial 13464 Register 73-21776 used by US Air Force USAF ,US Army Aviation Army. Aircraft history and location Aircraft History 73-21776 US Army Aviation US Army US Air Force 2018 Bell TH-1H Iroquois USAF, UH-1H conv to TH-1H 23 FTS /FR 23 FTS 2022-11-05 A KMXF visit to Maxwell AFB 23 FTS Maxwell 908th AW Will Host MH-139 Training Send Updates Use APP to upload photo @ (optional) When Now? / / Send