Kofman said that the Su-57 doesn't match the stealth capabilities of the F-22 or F-35, but that it will be a capable platform. He also said that the J-20, which has good avionics and software ...

It is unclear if American and Russian crews have interacted with each other at an air show where the two state-of-the-art ...

such as the F-22s internal M61A2 20 mm gun and the Su-57s 9A1-4071K 30mm autocannon. The Su-57 also uses an IR-guided missile system, while the F-22 relies on AMRAAM medium-range missiles.

It had been expected that both the U.S.-made Lockheed Martin F-35 Lightning II and Russian Sukhoi Su-57 (NATO reporting name “Felon”) would be present at this year’s show—but that won’t ...