Black ops
Black ops or covert ops were the elements of clandestine or covert missions that could not be officially acknowledged due to their sensitive or unsavory nature. 

Section 31 was considered a Starfleet black ops organization.

Many black ops agents were secretly stationed aboard Federation starships during the Dominion War.

Ensign Beckett Mariner once started a rumor that she was a black ops secret agent trained to be the "perfect weapon", who was somehow responsible for the mysterious catastrophe that befell her previous post, the starship . Honus, a bartender on the , repeated this rumor to Ensigns Brad Boimler and Sam Rutherford in 2381. ()

Following her departure from her work aboard the , D. Nhan was asked by Federation Security to lead a cleanup task force against the Emerald Chain. Because the posting was a covert ops job, she couldn't tell anyone, and was thus out of contact with her friends aboard the . ()

Personnel 
 Starfleet black ops personnel±

See also
 Black flag directive
 Grey ops
 Omega Directive

External links 
 
 

Federation Starfleet agencies
Security