Representative, United States House of Representatives, 1978-2004

Presidential Appointee, United States Delegation, United Nations 42nd General Assembly, 1987

Senator, Nebraska State Senate, 1974-1978

Member, Board of Visitors, Regional centers for security studies, Department of Defense, 1998-present

Chair, United States House of Representatives delegation to the North Atlantic Treaty Organization Parliamentary Assembly, 1995-present

Member, House Observer Group to the Arms Control Talks, 1989-present

Member, United States Congress Delgation to the North Atlantic Treaty Organization Parliamentary Assembly, 1986-present

Member, United States Congress Intraparliamentary Exchange with the European Parliament, 1983-present

Experience, Army Caucus

Experience, Congressional Competitiveness Caucus

Experience, Congressional Fire Services Caucus

Experience, Congressional Human Rights Caucus

Experience, Congressional Rural Caucus

Co-Chari, Congressional Soybean Caucus

Experience, Congressional Sportsmen's Caucus

Experience, Congressional Travel and Tourism Caucus

Experience, Congressional Vietnam-Era Veterans Caucus

Member, Council on Foreign Relations

Chair, House Trails Caucus

House Co-Chair, Lewis and Clark Bicentennial Congressional Caucus

Experience, National Guard & Reserve Components Congressional Members Organization

Experience, Republican Policy Committee

Experience, Silk Road Caucus

Chair, House British-American Parliamentary Exchange, 1995-2000

Member, Select Committee on United States National Security and Military/Commercial Concerns with the People's Republic of China, 1998-1999

Vice President, North Atlantic Assembly, 1993-1994

Chairman, Congressional Study Group on Germany, 1993

Task Force to Investigate Certain Allegations Concerning the Holding of American Hostages by Iran in 1980, 1992-1993

Vice-Chairman, Congressional Study Group on Germany, 1992

Co-Chair, House Export Task Force, 1988-1992

Member, North Atlantic Assembly's Interparliamentary Committee to Consider the Future of the North Atlantic Treaty Organization, 1987-1988

Member, United States Presidential Commission on Agriculture Trade and Export Policy, 1985-1986

Member, United States Presidential Commission on Security and Economic Assistance, 1983-1984

Member, United States Congress-Mexico Interparliamentary Exhange, 1981-1983

Chair, Urban Development Committee, National Conference of State Legislatures, 1977-1978

Member, Nebraska State Crime Commission, 1969-1971

Urban Development Consultant, Colorado, Kansas, Missouri, Nebraska, and Wyoming, 1971-1978

Associate Professor of Planning, Kansas State University, 1971-1978

Visiting Lecturer, Harvard University, Graduate School of Design, 1972-1973

Associate Professor of Planning, University of Nebraska, Lincoln, 1971-1973

Federal-State Relations Coordinator, Nebraska State Government, 1967-1970

Director, State Office of Planning and Programming, 1968-1970

Division Director, Nebraska Department of Economic Development, 1967-1968

Urban Planner, United States Department of Housing and Urban Development, 1965-1966

First Lieutenant, United States Army, 1963-1965

Member, American Institute of Certified Planners, American Planning Association

Honorary Member, American Society of Landscape Architects

Member, Board of Directors, Friends of the U.S. National Arboretum

Trustee, Nebraska Wesleyan University

Experience, Phi Beta Kappa

Experience, Sigma Xi

Honorary Trustee, The National Arbor Day Foundation

Member, Visiting Committee, John F. Kennedy School of Government, Harvard University