Tom Bowman

Nearly 500 national security experts – both civilians and former senior uniformed officers — have endorsed Joe Biden for president, saying the "current president" is not up to "the enormous responsibilities of his office."

Addressed to "Our Fellow Citizens," the 489 national security experts include 22 four-star officers. The letter never mentions President Trump by name.

Agi Hajduczki, a research scientist at the Walter Reed Army Institute of Research, opens a large freezer and takes out boxes of DNA. She is part of a team making a COVID-19 vaccine.

Hajduczki places a small, clear plastic tray under a piece of white paper on the table of her lab. The tray is dimpled. Pale yellow fluid can be seen under the dozens of dimples.

Some of the dimples are clearly more yellow than others.

During a press conference at the White House on Labor Day, President Trump lashed out at Democratic rival Joe Biden, claiming the former vice president threw open the borders, shipped away jobs and sent America's youth to fight in "crazy endless wars."

Then the president veered into talk of the military, taking aim at the Pentagon brass and separating them from the rank-and-file troops.

The Army is now getting back to large-scale training, after several months preparing to hold off that invisible foe: the coronavirus.

Back in May at its massive training base in the Mojave Desert, the Army practiced taking temperatures, isolating soldiers who tested positive and socially distancing.

It was all in preparation for 4,000 National Guard soldiers from 20 states who arrived recently at Fort Irwin, Calif., for two weeks of training at this vast swath of deserts and mountains the size of Rhode Island.

Turkish Rear Admiral Mustafa Ugurlu, a top officer at a NATO training command in Norfolk, Va., was just wrapping up a meeting when an aide rushed up to him.

"There is something happening in Turkey," he said on that July day in 2016.

A major bridge was closed to traffic in Istanbul and Turkish Armed forces were staging a coup. Tanks were in the streets. Helicopters and war planes streaked across the sky.

Ugurlu remembers trying to call senior officers in Turkey. He couldn't get through.

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