Lawmakers are growing increasingly concerned that the White House has yet to name a successor for Gen. John Hyten, the military’s No. 2 officer, one month before he is set to retire.

“It’s one thing to have appointments for civilian Senate-confirmed positions at the beginning of a new administration,” said Arnold Punaro, a former staff director of the Senate Armed Services Committee. “But everyone has known that Gen. Hyten’s statutory tour was ending, and there is no excuse to gap the position of the second-most senior military leader.”

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