"remain in service" - related articles and key terms

Related terms: kg   lyulka   nato   wing   sukhoi   radar   cannon   revised   first flew   controls   fuselage   first flight   navigation   designation   air force   aircraft   soviet air force   manufactured   soviet union

Wikipedia sources: Leopard 1   Ilyushin Il-76   Sukhoi Su-17   Sukhoi Su-24

Context for words: remain   in   service