Charles Brooks, Director of Congressional Liaison, Department of Homeland Security, former legislative assistant to Senator Arlen Specter.

CENTERFORSECURITYPOLICY: Center For Security Policy

"We have a senator problem, " noted Monica Goodling, a Justice Department liaison to the White House, over Cummins' pending dismissal.

CNN: E-mails lay out plan to dismiss U.S. attorneys

Monica Goodling, who serves as the Justice Department's liaison to the White House and counselor to the attorney general, notified the committee Monday that she will not be testifying about the scandal.

NPR: Gonzales Aide to Take Fifth Before Senate Panel

The Sector for External Relations and Public Information (ERI) and the Africa Department (AFR) ensure liaison with Member States.

UNESCO: Member States

The U.S. Department of Transportation's Maritime Liaison Office also issued a warning to mariners April 1.

CNN: As piracy surges, U.S. warns of dangers off Somali coast

The State Department intends to establish a U.S. liaison office in Tripoli, pending congressional notification, the White House said.

CNN: U.S. lifts most sanctions against Libya

But Rumsfeld and Wolfowitz were both furious, believing White had operated behind their backs or was incapable of running his department, or at least of maintaining control over his congressional liaison operation.

CNN: Rumsfeld, Army chief said on 'collision course'

Being a liaison has empowered NNAAC members to build strategic partnerships with Health and Human Services (HHS), Department of Justice (DOJ), and Office of Refugee Resettlement (ORR), amongst others.

WHITEHOUSE: Connecting the Dots