Functional Cargo Block

The Functional Cargo Block or FGB (from the Russian "Функционально-грузовой блок", [Funktsionalno-gruzovoy blok] Error: {{Lang}}: text has italic markup (help) or ФГБ) is a type of space-station module. It provides electrical power, propulsion, guidance and storage, both inside the pressurized section and in the externally mounted fuel tanks. It is a descendant of the TKS spacecraft designed for the Russian Salyut program.

FGB based spacecraft include:

Polyus spacecraft^[1]
Kvant-1 (Mir module)
Kvant-2 (Mir module)
Kristall (Mir module)
Spektr (Mir module)
Priroda (Mir module)
Zarya (ISS module)
Nauka (ISS module)

References

^ B. Hendrickx, "The Origins and Evolution of the Energiya Rocket Family," J. British Interplanetary Soc., Vol. 55, pp. 242-278 (2002).

[JBIS-2002-1] B. Hendrickx, "The Origins and Evolution of the Energiya Rocket Family," J. British Interplanetary Soc., Vol. 55, pp. 242-278 (2002).

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