Just two years after winning his first run for political office, Ohio Sen. JD Vance is set to become vice president — ushering a new generation into power and offering a potential glimpse at the Republican Party’s future after President-elect Donald Trump’s second term ends.

Sen. JD Vance (R-Ohio), 40, will ascend to first in line for the presidency on the coattails of Donald Trump’s successful bid for a second term, as the third-youngest vice president in American history and the first millennial to hold the office.