Senate roll call 189 · 116th Congress · Jun 28, 2019
To prohibit unauthorized military operations in or against Iran.
On Jun 28, 2019, the Senate voted 50–40 on “On the Amendment” (S 1790). Result: Amendment Rejected. By party: Republicans 4–40, Democrats 44–0, Independents 2–0. It was a party-line vote: most Democrats and most Republicans voted on opposite sides. 4 members voted against their own party.
During the 116th Congress (2019–2020), Donald Trump was president, and Democrats held the House majority and Republicans the Senate majority.
- Result
- Amendment Rejected
- Yes
- 50
- No
- 40
- Did not vote
- 12
- Date
- Jun 28, 2019
By party
- Republicans4 yes · 40 no · 10 didn’t vote
- Democrats44 yes · 0 no · 2 didn’t vote
- Independents2 yes · 0 no
Who broke with their party
- Jerry Moran R-KS voted yes
- Rand Paul R-KY voted yes
- Susan Margaret Collins R-ME voted yes
- Mike Lee R-UT voted yes
The bill
S. 1790: National Defense Authorization Act for Fiscal Year 2020
How each senator voted: Yes
- Gordon Douglas (Doug) Jones D-AL
- Kyrsten Sinema D-AZ
- Dianne Feinstein D-CA
- Kamala Devi Harris D-CA
- Michael F. Bennet D-CO
- Christopher Murphy D-CT
- Richard Blumenthal D-CT
- Thomas Richard Carper D-DE
- Brian Emanuel Schatz D-HI
- Mazie Hirono D-HI
- Richard Joseph Durbin D-IL
- Tammy Duckworth D-IL
- Jerry Moran R-KS
- Rand Paul R-KY
- Edward John Markey D-MA
- Elizabeth Warren D-MA
- Benjamin Louis Cardin D-MD
- Christopher Van Hollen D-MD
- Angus Stanley King Jr. I-ME
- Susan Margaret Collins R-ME
- Deborah Ann Stabenow D-MI
- Gary C. Peters D-MI
- Amy Klobuchar D-MN
- Tina Smith D-MN
- Jon Tester D-MT
- Jeanne Shaheen D-NH
- Margaret Wood (Maggie) Hassan D-NH
- Cory Anthony Booker D-NJ
- Robert Menendez D-NJ
- Martin Heinrich D-NM
- Thomas (Tom) Udall D-NM
- Catherine Marie Cortez Masto D-NV
- Jacklyn Sheryl Rosen D-NV
- Charles Ellis (Chuck) Schumer D-NY
- Kirsten Gillibrand D-NY
- Sherrod Brown D-OH
- Jeff Merkley D-OR
- Ronald Lee Wyden D-OR
- Robert (Bob) Casey Jr. D-PA
- John F. (Jack) Reed D-RI
- Sheldon Whitehouse D-RI
- Mike Lee R-UT
- Mark R. Warner D-VA
- Timothy Michael (Tim) Kaine D-VA
- Bernard Sanders I-VT
- Patrick Joseph Leahy D-VT
- Maria E. Cantwell D-WA
- Patty Murray D-WA
- Tammy Baldwin D-WI
- Joe Manchin III D-WV
How each senator voted: No
- Daniel Scott Sullivan R-AK
- Lisa Murkowski R-AK
- Richard C. Shelby R-AL
- John Boozman R-AR
- Thomas Bryant (Tom) Cotton R-AR
- Martha Mcsally R-AZ
- Cory Gardner R-CO
- Marco Rubio R-FL
- David Alfred Perdue Jr. R-GA
- Johnny Isakson R-GA
- Charles Ernest Grassley R-IA
- Joni Ernst R-IA
- James Risch R-ID
- Michael Dean Crapo R-ID
- Todd Young R-IN
- Addison Mitchell (Mitch) Mcconnell R-KY
- Bill Cassidy R-LA
- John Neely Kennedy R-LA
- Joshua David Hawley R-MO
- Cindy Hyde-Smith R-MS
- Roger F. Wicker R-MS
- Steve Daines R-MT
- Thomas Roland (Thom) Tillis R-NC
- John Hoeven R-ND
- Benjamin Eric Sasse R-NE
- Debra (Deb) Fischer R-NE
- Robert Jones (Rob) Portman R-OH
- James Lankford R-OK
- Patrick Joseph Toomey R-PA
- Lindsey O. Graham R-SC
- Tim Scott R-SC
- John Thune R-SD
- Lamar Alexander R-TN
- John Cornyn R-TX
- Rafael Edward (Ted) Cruz R-TX
- Willard Mitt (Mitt) Romney R-UT
- Ron Johnson R-WI
- Shelley Moore Capito R-WV
- John A. Barrasso R-WY
- Michael B. Enzi R-WY
Did not vote
- Mark Edward Kelly D-AZ
- Christopher A. Coons D-DE
- Richard Lynn (Rick) Scott R-FL
- Kelly Loeffler R-GA
- Michael Braun R-IN
- Charles Patrick (Pat) Roberts R-KS
- Roy Blunt R-MO
- Richard M. Burr R-NC
- Kevin Cramer R-ND
- James Mountain Inhofe R-OK
- Marion Michael (Mike) Rounds R-SD
- Marsha Blackburn R-TN
Other votes
From Voteview roll call records.
Cite or embed this page
Capitol Receipts, “To prohibit unauthorized military operations…: Senate Vote, Jun 28…,” https://www.capitolreceipts.com/vote/116-S-189/to-prohibit-unauthorized-military-operations-in-or-against-iran (accessed 2026-10-17).