This class includes both military and civil defence affairs.

Administration, supervision and operation of military defence affairs and forces: land, sea, air and space defence forces; engineering, transport, communications, intelligence, material, personnel and other non-combat forces and commands; and reserve and auxiliary forces of the defence establishment. Provision of equipment, structures, supplies, etc. Health activities for military personnel in the field.

Administration, operation and support of civil defence forces. Support for the working out of contingency plans and the carrying out of exercises in which civilian institutions and populations are involved.

Administration of defence R&D policies and associated funds are included.

Exclusions: Research and experimental development activities are classified in division 73.

Administrative activities of the governmental defence bodies are classified in class 7511 (General (Over-all) public service activities).

Provision of military aid to foreign countries is classified in class 7521 (Foreign affairs).

Activities of military tribunals are classified in class 7523 (Public order and safety activities).

Provision of supplies for domestic emergency use in case of peace-time disasters is also classified in class 7523.

Educational activities of military schools, colleges and academies are classified in the relevant class of division 80 (Education).

Activities of military hospitals are classified in class 8511 (Hospital activities).