An infrared search and track (IRST) system is a method for detecting and tracking objects which give off infrared radiation, such as the infrared signatures of jet aircraft and helicopters.
An IRST sensor on a Sukhoi Su-35
An F-8E of VMF(AW)-235 at Da Nang, in April 1966 showing the IRST in front of the canopy.
AN/AAA-4 IRST under nose of F-4 Phantom
Optronique secteur frontal (IRST) of the Dassault Rafale, below the cockpit and to the side of the refueling boom. On the left, the main IR sensor (100 km range), on the right a TV/IR identification sensor with laser rangefinder (40 km range)
The McDonnell F-101 Voodoo is a supersonic jet fighter designed and produced by the American McDonnell Aircraft Corporation.
Canadian CF-101 Voodoo in Bagotville, Summer 1962
F-101A, AF Serial No. 53-2418, at Pueblo Weisbrod Aircraft Museum, Pueblo, Colorado, before restoration
A 33rd Tactical Group RF-101A (s/n 54-1512) after landing at Udorn Royal Thai Air Force Base (later transferred to Tan Son Nhut Air Base) c. 1965