2 0 0 9 ▁and ▁was ▁converted ▁into ▁a ▁division ▁in ▁ 2 0 1 4 . ▁ ▁History ▁ ▁The ▁corps ▁was ▁originally ▁established ▁as ▁the ▁Northern ▁Air ▁Def ence ▁Corps ▁in ▁February ▁ 1 9 5 7 ▁with ▁headquarters ▁at ▁Sever om or sk , ▁Mur m ansk ▁O blast , ▁part ▁of ▁the ▁Northern ▁Air ▁Def ence ▁Army . ▁On ▁ 2 1 ▁March ▁ 1 9 6 0 ▁it ▁gained ▁a ▁combined - ar ms ▁number ▁as ▁the ▁ 2 1 st ▁Air ▁Def ence ▁Corps , ▁and ▁at ▁the ▁same ▁time ▁the ▁Northern ▁Air ▁Def ence ▁Army ▁became ▁the ▁ 1 0 th ▁Air ▁Def ence ▁Army . ▁ ▁The ▁corps ▁included ▁an ▁anti - air craft ▁miss ile ▁regiment ▁with ▁a ▁headquarters ▁in ▁Mur m ansk ▁( the ▁only ▁military ▁unit ▁in ▁this ▁city ), ▁the ▁ 5 th ▁Radio ▁Techn ical ▁Brigade ▁with ▁headquarters ▁in ▁Sever om or sk , ▁and ▁f ighter ▁air ▁reg iments ▁based ▁on ▁air fields ▁Kil p - y av r , ▁Af rik anda ▁and ▁Mon ch eg or sk . ▁ ▁In ▁April ▁ 1 9 7 8 , ▁corps ▁commander ▁Vladimir ▁Ts ark ov ▁ordered ▁an ▁Su - 1 5 ▁pilot ▁to ▁shoot ▁down ▁Korean ▁Air ▁L ines ▁Fl ight ▁ 9 0 2 ▁after ▁the ▁plane ▁failed ▁to ▁respond ▁to ▁repeated ▁orders ▁to ▁land , ▁and ▁approached ▁the ▁Soviet ▁border ▁with ▁Finland . ▁The ▁Su - 1 5 ▁opened ▁fire , ▁forcing ▁the ▁plane ▁to ▁descend ,