Decades of experience have been wiped from the highest levels of the U.S. military, the result of retirements and removals in the first year of the second Trump administration.

Why it matters: Ask anyone — seriously, anyone — in the national security space and they'll tell you: Expertise greatly matters, especially at this precarious moment in history.

Driving the news: In recent days, Defense Innovation Unit boss Doug Beck abruptly resigned and Defense Intelligence Agency director Lt. Gen. Jeffrey Kruse was sacked. • The DIU did not respond to a request for comment. The DIA referred questions related to timing and reasoning to the Pentagon. (The New York Times reported the dismissal was due to a "loss of confidence," a vague description used across the services.) • Kruse's ouster ca

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