“Army Secretary Dan Driscoll’s resignation follows a strained relationship with Defense Secretary Pete Hegseth and repeated warnings to the White House, including Chief of Staff Susie Wiles, about what has been described as Hegseth’s widespread and seemingly indiscriminate firing of senior military officers,” ABC News reports.“Driscoll also warned the White House about unprecedented efforts by Hegseth to block others from advancing into the military’s highest ranks after they had been thoroughly vetted.”