Senate roll call 570 · 99th Congress · Aug 7, 1986
To adopt the mathias amendment, a perfecting amendment to the kennedy, ma)-mathias amendment to S 2638, the national defense authorization act of 1987. The ame
On Aug 7, 1986, the Senate voted 64–35 (S 2638). Result: passed. By party: Republicans 21–32, Democrats 43–3. It was a split vote: the parties took opposite sides, with some members crossing over. 24 members voted against their own party.
During the 99th Congress (1985–1986), Ronald Reagan was president, and Democrats held the House majority and Republicans the Senate majority.
- Yes
- 64
- No
- 35
- Did not vote
- 2
- Date
- Aug 7, 1986
By party
- Republicans21 yes · 32 no · 1 didn’t vote
- Democrats43 yes · 3 no · 1 didn’t vote
Who broke with their party
- Frank Hughes Murkowski R-AK voted yes
- Howell Thomas Heflin D-AL voted no
- Lowell Palmer Weicker Jr. R-CT voted yes
- William Victor Roth Jr. R-DE voted yes
- Charles Ernest Grassley R-IA voted yes
- Nancy Landon Kassebaum R-KS voted yes
- Russell Billiu Long D-LA voted no
- Charles McCurdy Mathias Jr. R-MD voted yes
- William Sebastian Cohen R-ME voted yes
- David Ferdinand Durenberger R-MN voted yes
- John Claggett Danforth R-MO voted yes
- Mark Andrews R-ND voted yes
- Edward Zorinsky D-NE voted no
- Alfonse Marcello D'Amato R-NY voted yes
- Mark Odom Hatfield R-OR voted yes
- Robert William Packwood R-OR voted yes
- Arlen Specter R-PA voted yes
- Henry John Heinz III R-PA voted yes
- John Hubbard Chafee R-RI voted yes
- Paul Seward Trible Jr. R-VA voted yes
- Robert Theodore Stafford R-VT voted yes
- Thomas Slade Gorton III (Slade) R-WA voted yes
- Robert Walter Kasten Jr. R-WI voted yes
- Alan Kooi Simpson R-WY voted yes
The bill
How each senator voted: Yes
- Frank Hughes Murkowski R-AK
- Dale Bumpers D-AR
- David Hampton Pryor D-AR
- Dennis Webster Deconcini D-AZ
- Alan Cranston D-CA
- Gary Warren Hart D-CO
- Christopher John Dodd D-CT
- Lowell Palmer Weicker Jr. R-CT
- Joseph Robinette (Joe) Biden Jr. D-DE
- William Victor Roth Jr. R-DE
- Lawton Mainor Chiles Jr. D-FL
- Samuel Augustus Nunn D-GA
- Daniel Ken Inouye D-HI
- Spark Masayuki Matsunaga D-HI
- Charles Ernest Grassley R-IA
- Thomas Richard (Tom) Harkin D-IA
- Alan John Dixon D-IL
- Paul Martin Simon D-IL
- Nancy Landon Kassebaum R-KS
- Wendell Hampton Ford D-KY
- John Bennett Johnston Jr. D-LA
- Edward Moore (Ted) Kennedy D-MA
- John Forbes Kerry D-MA
- Charles McCurdy Mathias Jr. R-MD
- Paul Spyros Sarbanes D-MD
- George John Mitchell D-ME
- William Sebastian Cohen R-ME
- Carl Levin D-MI
- Donald Wayne Riegle Jr. D-MI
- David Ferdinand Durenberger R-MN
- John Claggett Danforth R-MO
- Thomas Francis Eagleton D-MO
- John Melcher D-MT
- Max Sieben Baucus D-MT
- Mark Andrews R-ND
- Quentin Northrup Burdick D-ND
- J. James Exon D-NE
- Frank Raleigh Lautenberg D-NJ
- William Warren (Bill) Bradley D-NJ
- Jesse Francis (Jeff) Bingaman Jr. D-NM
- Alfonse Marcello D'Amato R-NY
- Daniel Patrick Moynihan D-NY
- Howard Morton Metzenbaum D-OH
- John Herschel Glenn Jr. D-OH
- David Lyle Boren D-OK
- Mark Odom Hatfield R-OR
- Robert William Packwood R-OR
- Arlen Specter R-PA
- Henry John Heinz III R-PA
- Claiborne de Borda Pell D-RI
- John Hubbard Chafee R-RI
- Ernest Frederick (Fritz) Hollings D-SC
- Albert Arnold Gore Jr. D-TN
- James Ralph Sasser D-TN
- Lloyd Millard Bentsen Jr. D-TX
- Paul Seward Trible Jr. R-VA
- Patrick Joseph Leahy D-VT
- Robert Theodore Stafford R-VT
- Thomas Slade Gorton III (Slade) R-WA
- Robert Walter Kasten Jr. R-WI
- William Proxmire D-WI
- John Davison (Jay) Rockefeller IV D-WV
- Robert Carlyle Byrd D-WV
- Alan Kooi Simpson R-WY
How each senator voted: No
- Theodore Fulton (Ted) Stevens R-AK
- Howell Thomas Heflin D-AL
- Jeremiah Andrew Denton Jr. R-AL
- Barry Morris Goldwater R-AZ
- Pete Wilson R-CA
- William Lester Armstrong R-CO
- Paula Hawkins R-FL
- Mack Francis Mattingly R-GA
- James Albertus Mcclure R-ID
- Steven Douglas Symms R-ID
- James Danforth (Dan) Quayle R-IN
- Richard Green Lugar R-IN
- Robert Joseph (Bob) Dole R-KS
- Addison Mitchell (Mitch) Mcconnell R-KY
- Russell Billiu Long D-LA
- Rudolph Eli (Rudy) Boschwitz R-MN
- William Thad Cochran R-MS
- James Thomas Broyhill R-NC
- Jesse Helms R-NC
- Edward Zorinsky D-NE
- Gordon John Humphrey R-NH
- Warren Bruce Rudman R-NH
- Pete Vichi Domenici R-NM
- Jacob Chic Hecht R-NV
- Paul Dominique Laxalt R-NV
- Donald Lee Nickles R-OK
- James Strom Thurmond R-SC
- James Abdnor R-SD
- Larry Lee Pressler R-SD
- William Philip (Phil) Gramm R-TX
- Edwin Jacob (Jake) Garn R-UT
- Orrin Grant Hatch R-UT
- John William Warner R-VA
- Daniel Jackson Evans R-WA
- Malcolm Wallop R-WY
Did not vote
- John Cornelius Stennis D-MS
- John Porter East R-NC
Other votes
From Voteview roll call records.
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Capitol Receipts, “To adopt the mathias amendment, a perfecting…: Senate Vote, Aug 7…,” https://www.capitolreceipts.com/vote/99-S-570/to-adopt-the-mathias-amendment-a-perfecting-amendment-to (accessed 2026-10-15).