21.   Backers say Thailand needs a light strike aircraft to replace an aging fleet and that the Germans may pull out of the deal unless it is concluded quickly.

22.   France also wants Russia to buy Airbus planes to replace its aging fleet.

23.   In recent years, Vietnam Airlines has steadily been replacing its aging fleet of Soviet-built aircraft with Western planes.

24.   In recent years, Vietnam has steadily been replacing its aging fleet of Soviet-built aircraft with Western planes, including Boeings.

25.   In recent years, Vietnam has steadily been replacing its aging fleet of Soviet-built aircraft with Western planes, including Boeing and Airbus jets.

26.   It has also said it wants to upgrade its aging fleet of jets this year.

27.   It said animals and people crossing air strips, pilot error, poor conditions of runways and an aging fleet were the main cause of the accidents.

28.   Last year India finalized purchase of a new series of Russian fighter jets to modernize its aging fleet.

29.   Modernizing the aging fleet has been a high priority of the Army National Guard for some time.

30.   Once a Cold War instrument of doomsday, the huge aging fleet of Soviet-built nuclear submarines now poses a threat of radioactive leaks.