Cruz and Fischer were both elected in last November's elections, taken over seats that were being vacated by retiring Sens.
Kay Bailey Hutchison (R-Texas) and Ben Nelson (D-Neb.) respectively.
Scott was appointed to the Senate last month after former South Carolina
Sen. Jim DeMint (R) resigned from the chamber.
GOP leaders also announced that Fisher and Sen. Roger WickerRoger WickerPicking 2018 candidates pits McConnell vs. GOP groups McConnell’s shining moment As US healthcare changes, preventative screenings can't stop MORE (R-Miss.) would be joining the Senate Environment and Public Works Committee, while Sens. Lamar AlexanderLamar AlexanderGroups warn of rural health 'crisis' under ObamaCare repeal Trump’s Army pick faces tough confirmation fight Trump faces risky ObamaCare choice MORE (R-Tenn.) and Mike JohannsMike JohannsLobbying World To buy a Swiss company, ChemChina must pass through Washington Republican senator vows to block nominees over ObamaCare co-ops MORE (R-Neb.) would be leaving the panel.
-This post was updated with new information at 2:31 p.m.