- tank-afv.com coldwar/UK/Challenger-I.phpThe Challenger I was kept in service until 2001 (ported at the Mk.4 standard), when it was replaced by the Challenger 2 , which only shared 5% of common parts...
- wiki.warthunder.com Challenger_1_(Family)The Challenger 1 is a British 3rd generation main battle tank put into service in 1983. It served in the British Army until 2001 when it was replaced by the Challenger 2...
- special-ops.org challenger-1-mbt/Challenger 1 is a development of the Shir 2 MBT built initially to meet Iran.
- ru.ruwiki.ru wiki/Челленджер_(танк)FV4030/4 Challenger (рус. "бросающий вызов") — британский основной боевой танк 1980-х годов. Разработан фирмой Vickers Defence Systems во второй половине...
- overclockers.ru blog/Technoblog/show/84738/…В одном из боев «Челленджер» уничтожил иракский танк с расстояния 5110 метров, что является впечатляющим результатом.
- militaryfactory.com armor/detail.php…The Challenger 2 remains the standard British Army main battle tank today and has proven equally excellent in its own right.
- warhistoryonline.com tanks/challenger-1-tank-on-…The Challenger 1 not only impressed British forces and others with its performance, but also set a world record that has yet to be beaten.
- fighting-vehicles.com tanks/challenger-1-main-…Challenger 1 Mk3: Modified storage bins for 120mm rounds, unspecified minor hull modifications and Quick release for rear mounted fuel drums.
- inetres.com gp/military/cv/tank/Challenger1.htmlThe Challenger is essentially a modified Shir 2, which was built for Iran.
- keymilitary.com article/challenger-1-main-battle-…The Challenger 1 was never supposed to see service with the British Army, nevertheless, despite its short service period, the tank quickly became a British icon.