For other uses, see Challenger.

STARSHIP
USS Challenger
Class:	Ranger
Affiliation:	Federation Starfleet]]
Status:	active (2254)

The USS Challenger was a Federation starship. She was a Ranger-class explorer in service to Starfleet in the 23rd century.

She served in the fleet assembled by Captain Garth of Izar for the Axanar Rebellion of 2254. (Decipher RPG module: Starfleet Operations Manual)

Ranger-class starships
	Bastion • Carolina • Challenger • Coronado • Decatur • Duncan • Explorer • Halsey • Indomitable • Orleans • Ranger • Revere • Solzhenitzyn • Spann • Springfield • Valiant

Ships named Challenger
Cardassian Union, Central Command	CDS Challenger (Galor-class)		United Earth, Starfleet	USS Challenger • Challenger (NX-03, NX-class)
Federation, Starfleet	USS Challenger (Ranger-class) • USS Challenger (NCC-1715, Constitution-class) • USS Challenger ("Mongrel"-class) • USS Challenger (NCC-2032) • USS Challenger (NCC-2023, Excelsior-class) • USS Challenger (NCC-71099, Galaxy-class)