The problem, you see, is that Canada will never have full control over the heavily computerized planes. Lockheed Martin, the giant U.S. defence contractor that manufactures the F-35, has always
the full “source code” with foreign customers, including close allies of the United States. The source code, comprised of 8 million or more lines of code, is the foundational programming that enables all of the aircraft’s functionality.
Since the source code is a tightly held secret, every training or combat mission flown by a Canadian F-35 will require a “mission data load” processed through specialized computing facilities in the United States. The load details the mission objectives and threat profiles and enables full use of the F-35’s
.