“In his mind, he’s a Pfc,” the official told CNN Pentagon Correspondent Barbara Starr on Sunday.

Now in the beginning of the lengthy road to reintegration after his exchange for five Taliban commanders previously held at the Guantanamo Bay detention facility in Cuba, Bergdahl is letting those around him know he still feels like a Pfc, regardless of his in-absentia promotion. The U.S. official could not confirm to CNN whether Bergdahl has resumed wearing his uniform but added that doing so is part of the standard reintegration process.