Vice President JD Vance reassured the public on Friday that President Donald Trump remains in “incredibly good health,” but emphasized that he is fully prepared to step into the role of commander-in-chief if circumstances ever require it.

In a wide-ranging interview with USA Today, Vance was questioned about concerns over Trump’s age. The president began his second term at 78 years old and marked his 79th birthday in June, making him one of the oldest presidents in American history to serve in office.

Despite those concerns, Vance painted a picture of a president with extraordinary stamina and a relentless work ethic. “The president is in incredibly good health,” he said. “He’s got incredible energy. He’s the last person making phone calls at night, and he’s the first person who wakes up, and the first person making phone calls in the morning.”

Reporters pressed further, noting that as vice president, Vance is “just one heartbeat away” from the presidency. If he were to assume the office, he would not only face immense pressure but also become one of the youngest leaders in U.S. history to do so.

Vance did not shy away from the question, instead stressing his sense of duty and preparedness. He said that while he has complete confidence in Trump’s health and leadership, he takes seriously the responsibility of being second in line. The vice president underscored that his focus is on supporting the president’s agenda, but that he remains ready to serve the country in whatever capacity may be required.The interview highlights the growing national conversation surrounding Trump’s age, longevity, and the generational contrast between him and his running mate. While critics raise concerns about fitness for office, Trump’s allies point to his energetic public schedule and late-night engagements as evidence that he remains vigorous and capable.