President Joe Biden stumbled as he was going up the stairs to board Air Force One on Monday.

Biden exited his vehicle on the tarmac at New Castle Air National Guard Base in Delaware to return to Washington, D.C.

He held onto the railing with his right hand, while holding something in the left.

On the fifth step, he lost his footing, but regained his composure.

Watch:

The 78-year-old regularly attempts to demonstrate his physical fitness by jogging to the podium or in parades.

He trotted to the podium during an Iowa rally in October:

Days later, he jogged down a catwalk to give his victory speech in Delaware:

Kyle Olson is a reporter for Breitbart News. He is also host of “The Kyle Olson Show,” syndicated on Michigan radio stations on Saturdays — download full podcast episodes. Follow him on Parler.