Northrop Grumman and Embraer to add refuelling boom and autonomous tanker capability to KC-390 for U.S. and export markets
Embraer and Northrop Grumman are jointly developing an optional in‑flight refuelling boom and autonomous refuelling capability for the KC‑390 Millennium, positioning the tactical transport as a multi‑mission tanker for U.S. and allied air forces — including F‑35A operators — and for dispersed operations.