Lockheed and Boeing were building protoypes in the 1990s and the contract was awarded to Lockheed in October 2001. https://en.wikipedia.org/wiki/Joint_Strike_Fi

Lockheed and Boeing were building protoypes in the 1990s and the contract was awarded to Lockheed in October 2001. https://en.wikipedia.org/wiki/Joint_Strike_Fighter_program https://en.wikipedia.org/wiki/Joint_Strike_Fighter_program