Rebreather

s are ground devices that enable your character and away team to withstand toxic atmospheres. In contrast to a full environmental suit, rebreathers are just devices and, thus, do not require to unequip your Body Armor. However, they cannot protect from other kinds of extreme environments as EV suits can.

Originally introduced to Star Trek Online for the toxic atmospheres of Elachi ship interiors during the Romulan Republic mission-chain Vengeance, 5 rebreathers are awarded for completing the mission. Rebreathers can also be obtained during the mission.

Missions
The following missions require a rebreather device. Alternatively, EV suits may be used:

The following missions benefit from the use of rebreather devices, but are not required. Alternatively, EV suits may be used:

Rebreathers can also sometimes be used instead of EV suits in missions such as.