Starfleet Rangers

The Rangers were an elite group of Starfleet personnel.

In 2357, a group of Rangers were stationed on the USS Icarus (Excelsior class) for the Aries expedition. Each was scientifically trained and able to aid the ship in its primary mission, the study of massive compact halo objects. However, the Rangers had the additional mission of gathering intelligence on the Cardassians as the Icarus traveled near their space. The identity of the Rangers was unknown to all but themselves and Admiral Paris.

Six months into the mission, Admiral Paris and Ensign Kathryn Janeway were captured by the Cardassians. Within a short time, the group of Rangers rescued Paris and Janeway. Janeway recognized Justin Tighe, a member of her science team, as among her rescuers. (VOY novel: Mosaic)