The open early-cycle contest for the 2028 Republican vice presidential nomination features a fragmented field where non-interventionist voices have gained visibility amid debates over foreign engagements, including the recent U.S. response to Iran. Joe Kent’s resignation from a national security role over policy disagreements and Rand Paul’s longstanding emphasis on fiscal restraint and reduced overseas commitments have kept their implied probabilities closely aligned near the front. Marco Rubio’s role as secretary of state sustains his position among those prioritizing diplomatic experience, while the absence of major endorsements, primary movements, or consolidation around any single figure sustains the tight distribution. Future separation could emerge from legislative actions, candidate statements on key policy priorities, or clarity on the eventual presidential nominee.