Second Fleet
The Second Fleet was a Federation Alliance Fleet that participated in the Dominion War. 

During the second Battle of Deep Space 9, in late 2373, the Second Fleet task force crossed the border into	Cardassian space and destroyed the Dominion shipyards on Torros III. The fleet was later joined by the  and  following the evacuation of Deep Space 9. At that time, the Second Fleet's task force was a comprised of , , , , ,  and  Federation starships, as well as , , and  Klingon starships. () 

In early 2374, after three months of relentless battles of engaging and retreating from the Jem'Hadar, the Second Fleet was reduced to a third of its original size. Of the ships to survive, including the Defiant and Rotarran, were the , , the Raging Queen and . () 

Later in 2374, Benjamin Sisko developed a counterattack against the Dominion, in hopes of recapturing Deep Space 9, by putting together a large task force comprised of elements of the Second, Fifth, and Ninth Fleets. 

Once Sisko was given the "go ahead" from Starfleet Command, the Second Fleet was ordered to fall back past the Kotanka system and regroup at Starbase 375. This strategy was cause for concern to those in the Dominion watching Federation fleet movements, including Damar and Weyoun. ()

The combined fleet later encountered a Dominion fleet in a successful engagement, in a region of space between Deep Space 9 and Starbase 375. Among the ships in this combined fleet were the , , , , , , , , and . ()

The Second Fleet was later responsible for striking against the occupying Dominion forces on Betazed three times in a period of a month. They continued to fortify their position, and brought in reinforcements to their positions on the surface. ()

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bg:Втори флот
de:Zweite Flotte
ja:第2艦隊
nl:Tweede vloot
zh-cn:第二舰队
Military units