Spain is to upgrade its Northrop F-5's to lead-in fighter trainer configuration with the selection of a vendor to upgrade 20 aircraft expected before year-end.

Boeing, Israel Aircraft Industries' Lahav division and Elbit Systems have bid for the contract. The Boeing and IAI packages are based on elements of a Northrop T-38 Talon upgrade for the USAF while Elbit's package is based on an F-5 upgrade for Singapore.

Source: Flight International