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American planes intercepted two Russian TU-95 bombers accompanied by two SU-35 fighters that flew close to the Alaska coast Tuesday night, according to the North American Aerospace Defense Command (NORAD). 

 A U.S. official said the Russian aircraft had flown within 50 nautical miles of the Alaska coastline -- American territorial airspace begins 12 nautical miles from shore. The intercept occurred around 5 p.m. local time said Capt. Scott Miller, a NORAD spokesman. 

US intercepts Russian bombers and fighters near Alaska (ABC News)

 Two Russian TU-95 "Bear" bombers were accompanied by two SU-35 "Flanker" fighter aircraft as they entered the Alaska Air Defense Identification Zone (ADIZ) that stretches 200 miles from the U.S. coastline. 

The U.S. requires aircraft to identify themselves when they enter the Alaska ADIZ. The Russian aircraft were always in international airspace. A U.S. official said the Russian aircraft had come as close as 50 miles to the Alaska coastline before turning back. What to know about those Russian flights close to Alaska Russian aircraft fly close to Alaska for 4th time in 4 days Russian bombers fly close to Alaska again 

 The four Russian aircraft were intercepted by two F-22 Raptor fighters that were already airborne on a previously scheduled flight. Captain Miller described the interaction with the Russian aircraft as "professional" as has historically been the case in encounters with Russian military aircraft off of Alaska. 

The last time that Russian fighter aircraft flew alongside Russian bombers was in 2014, the peak year for Russian military flights near Alaska. According to Captain Miller it is not uncommon to for the Russian military to use a combination of aircraft for training flights near Alaska. 

But those flights ceased in 2015 after a stand-down of Russia's TU-95 long range bomber fleet after a series of fatal crashes. The flights resumed in April when Russian military aircraft flew four flights near Alaska in four consecutive days the week of April 17. NORAD triggered different responses from NORAD ranging from intercepts with F-22 Raptors to monitoring the Russian aircraft with E-3 AWAC reconnaissance aircraft.