Trekipedia

U.S.S. Stalwart NCC-75635

The Stalwart was a Federation Defiant class starship, projected to complete construction at the Antares Shipyard and launch sometime in 2377.^[1]

U.S.S. Springfield

The Springfield was a Ranger class starship.^[1]

U.S.S. Spann

The Ranger class Starship Spann fought at Donatu V in 2242.^[1]

U.S.S. Solzhenitzyn

The Ranger class Starship Solzhenitzyn was commanded by Captain Achilles Diamond from 2257 to 2268.^[1]

U.S.S. Sal’Koth

The Ranger class Starship Sal’Koth captured the I.K.S. Dit’kra in 2239.^[1]

U.S.S. Republic

The Republic was a Daedalus class starship.^[1]

U.S.S. Redoubtable NCC-75634

The Redoubtable, a Federation Defiant class starship, was under construction at the Antares Shipyard in the late 2370s.^[1]

U.S.S. Ranger

The Starship Ranger, which was the lead vessel of the Ranger class, was lost to a Klingon attack during a disastrous first contact mission at Agbar IV in 2218.^[1]

Ranger class

Starfleet‘s primary explorer during the early 23rd century, the Ranger class served as an excellent backup to the later Constitution class during the latter half of the century. Initially responsible for everything from first contact surveys to covert operations against Klingon prison worlds, the Ranger class later settled into a comfortable role on sector patrol, diplomatic convoy, and other support operations. However, Starfleet’s chronic ship shortage before the dawn of replicator-assisted construction in the 2270s meant that Ranger class crews had to be ready for anything and used to everything.^[3]

Although computationally underpowered, the Ranger class was otherwise a top-quality ship. Its revolutionary tritanium construction, combined with full implementation of the M-2196 Impulse Engine, made it stronger and faster than most other 23rd century craft. Spaceframe designer Marc Chausser‘s work allowed a larger crew more access to critical systems, and maximized living and working space. With the Ranger class, Starfleet gained the ability to project a critical mass of specialists (and force) anywhere in known space.^[3]
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U.S.S. Orleans

The Ranger class Starship Orleans served as a test-bed for prototype phaser weapons in 2256.^[1]