Highlights The development comes after the aerospace major received approval from the American government to offer its latest multi-role combat aircraft to the Indian Air Force. The F-15EX is the latest and most advanced version of the multi-role, all-weather, and day and night versions of the F-15 aircraft family. The US and India have held discussions on F-15EX fighter jets and the two respective air forces have exchanged information about it, a top Boeing official has said. This comes after the aerospace major received approval from the American government to offer its latest multi-role combat aircraft to the Indian Air Force.