Meanwhile Australia has just confirmed their order of the JSF will go ahead despite U.S. officials saying they will keep secret the sensitive software codes to be used in the radar-evading fighter, limiting the ability of investor
countries to maintain and upgrade the fighters without U.S. involvement.
The single-engine F-35 can switch quickly between air-to-ground and
air-to-air missions while still flying -- tricks heavily dependent on its 8
million lines of onboard software code.
(Australian news article).