Firing control

From Halopedia, the Halo wiki

Firing control is a generic United Nations Space Command term for any center or position referring to the operations of weapons systems aboard a starship, such as a UNSC Frigate or Orbital Magnetic Accelerator Cannon Platform.

For example, the Firing Control Officer aboard a frigate or destroyer is rank of Lieutenant.

Cairo Station Firing Control

Cairo Station Firing Control was the United Nations Space Command Magnetic Accelerator Cannon firing control station of Cairo Station. During the First Battle of Earth, Covenant boarders invaded Firing Control, killing the Marines stationed there and planting a supermassive bomb planned to destroy the orbital station, but they were repulsed by SPARTAN-117.