The duties of Department One included liaison with foreign military, diplomatic, and intelligence organizations.

These included liaison with existing statutory and voluntary organisations.

Duties included congressional, executive branch, private sector, and liaison with foreign governments.

His responsibilities included liaison with South American law-enforcement agencies.

This includes liaison with travel companies and financial institutions and, in emergency situations, arranging accommodation, meals and transport.

These include transportation connections, uses, growth strategies, quality of life and sustainability, the memorial process, cultural and historic resources, liaison and communication.

Other roles include liaison with parents, districts, or other parties such as the unit's sponsoring (chartered) organization.

His responsibilities included legislative liaison between the White House and Congress.

Such endeavors include scholarly meetings, workshops, publications, awards and competition programs, support for architectural research, policy development, and liaison with allied organizations.

Duties included operational planning and liaison between the units within the Base.