Curran was photographed while shielding presidential candidate Donald Trump in Butler, Pennsylvania, after the first assassination attempt against Trump.
Several senators join the Appropriations, Judiciary, Finance, Foreign Relations, and Commerce Committees, where they will gain new influence over policy.
In the first weeks, lawmakers will have to elect a speaker and certify the 2024 election. The GOP also wants bills on taxes, border security, and debt.
The departures of Matt Gaetz, Mike Waltz, and Elise Stefanik will bring the majority down to zero seats. Any more could mean that Democrats take the majority.