The Krylos Guard Battalion (KGB) is part of the Royal Marines. It is responsible for providing security in the Capital area and for providing guards of honour.

Its missions include, but are not restricted to:

• Guarding important public buildings such as the Royal Palace Complex (the residence of the Emperor), The Lodge (the residence of the President of the Senate), the Senate Complex, the Hall of Justice, Civil Services Complex and keeping public order in the Capital.

• Honor and security services for the highest national personalities and important foreign guests;

• Support of other law enforcement forces (with intervention groups, or horseback patrols);

• Staffing patrols and patrol stations, particularly for the Royal Forests of the Liberator Chasma region.

• Security of diplomatic bags entering and leaving the Ministry for Foreign Affairs and the spaceports.

• Protection of Embassies throughout the Empire and Allied Planets.

• Provide support to the CIA as and when required

The KGB also fulfills an important diplomatic role, representing Krylos at international events abroad and receiving important dignitaries at home.