MOSCOW, June 28 (Itar-Tass) - RIA Novosti. The United States intends to combine the efforts of the Air Force and the ground forces to find a way to withstand the Russian S-400 air defense system. This was stated by the head of the combat aviation command of the Air Force, General James Holmes.

According to him, the main concern for the US military is the increased in comparison with the S-300 range of an air defense missile system, which, according to Holmes, limits the range of combat use of fourth-generation aircraft.

"We have certain capabilities that we will unite in terms of intelligence and management, as well as various systems of a large range," General Military.com quotes.

When asked if they plan to use the existing systems of firing at a greater range or create special hypersonic missiles, Holmes did not respond.