We found out years later Pressman’s crew turned against their Captain because he was developing a Starfleet cloaking device, in direct violation of the Federation’s treaty with the Romulans.

Later, he uses the Defiant's cloaking device while in the Alpha Quadrant (technically a betrayal of the agreement with the Romulans, though this is an agreement between Starfleet and the Empire.) ...

The most notable example is the mutiny aboard the Pegasus, which was covered up because the ship was testing a top-secret cloaking device. Starfleet Intelligence played a major role in the ...

In Star Trek: Discovery's third season, the ship received a number of tech upgrades from the future. One of these upgrades was a cloaking device, which surprised audiences because, for most of ...

How can the Federation stand, in war, against that kind of imbalance? That's where Star Trek: Discovery 's eighth episode, "Si Vis Pacem, Para Bellum," picks up.

We chart the history of one of Starfleet's oldest adversaries as Picard pushes forward the franchise's elaborate, ... They loan the Federation a cloaking device ton help them spy on the Dominion.

Starfleet Academy Preview. ... and none of this kinder-gentler-Federation Next Generation crap). ... invisible phantoms with the aid of their cloaking devices; and, ...

The answer is the United Federation of Planets, for whom the man, Ambassador Robert Fox (Gene Lyons), works. Although “A Taste of Armageddon” aired in 1967, the distinction between Starfleet ...