The E-10A program is supposed to be deader than a door-nail.
The E-10A is so dead Northrop Grumman went to the trouble earlier this year to issue a press release stating that its formerly prized surveillance and command and control aircraft program is, indeed, dead.
So why would Boeing apparently still be building it?
The question is raised because seattle-deliveries.com, a well-trusted Boeing spotter site, is reporting that Boeing has issued a line number (#965) to build a 767-400ER for the "supposedly cancelled" E-10A program. Scroll to the bottom of the list on this page.