Lockheed Martin and Northrop Grumman were selected as the winners of the Joint Strike Fighter competition; The System Development and Demonstration (SDD) contract was announced on 26 October 2001.
Lockheed Martin dan Northrop Grumman dipilih sebagai pemenang kompetisi Joint Strike Fighter; Kontrak System Development and Demonstration (SDD) diumumkan pada tanggal 26 Oktober 2001.