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Space Shuttle ''Challenger'', the American space shuttle which broke up shortly after liftoff on January 28, 1986

Challenger was the name of the Apollo 17 lunar module

Canadair Challenger series of business jets manufactured by Bombardier

Challenger Equipment, AGCO Corporation's division of Agricultural machinery

HMS ''Challenger'', any of eight Royal Navy ships,

the most famous of these carrying the 1872-1876 Challenger expedition, a British oceanographic survey

One of 3 Challenger tanks from different periods used by the British Army

Union Pacific Challenger, a 4-6-6-4 steam locomotive

The Challenger was a named passenger train operated between 1935 and 1971 by the Union Pacific Railroad

Challenger Deep, the deepest point in the world's oceans

Challenger Plateau, a submarine rise in the Tasman Sea close to the New Zealand coast

Challenger School, a private school in the western United States

Challenger Elementary a school in Issaquah, Washington, USA

Challenger tournament, a classification for some low-tier tennis tournaments

Challenger, a Nintendo Famicom game

Dodge Challenger, Dodge's entry to the pony-car market

Mitsubishi Challenger, an SUV sold in export markets as the Pajero Sport/Montero Sport

Prof. G.E. Challenger, a fictional scientist/adventurer created by Arthur Conan Doyle

The Challenger is a Marvel Comics superhero from the Golden Age.

The ATP Challenger Series is a series of professional tennis tournaments sanctioned by the Association of Tennis Professionals

"Challenger", a song by American Music Club from their 1994 album Mercury