Part 2: In 2021, Kjornes was sent to Maxwell Airforce Base in Alabama for a year-long officer training school. Her medical records show the stress aggravated an illness that she first experienced a decade before while in pilot training.

Part 1: Arizona Air National Guard pilot Christine Kjornes spent years battling the Department of Defense for medical benefits and pay after health conditions forced her from the cockpit.

According to the most recent data obtained by CBS News, about 30% of injury claims that are recommended by local commanders are determined not to qualify by the Air National Guard, raising questions among service members about whether correct policies and procedures are followed.

It’s a case that warrants further investigation, Mr. Alvarez said. “What they did to this soldier is sick and demented, and the men who did this to him should not be able to move on as if it never happened.”

Concussion, traumatic brain injury (TBI), and post-traumatic stress disorder (PTSD) in service members have been misdiagnosed and improperly treated for decades, according to a leading expert. Without treating the brain wound, he says, underlying damage will continue to precipitate, worsening symptoms in many who defend America.

Despite climbing spectacularly through the ranks of the U.S. Army, a lieutenant colonel now faces court-martial for being willing to speak the truth about a suicide investigation at one of the nation's largest military installations.

A former Marine artilleryman injured while fighting ISIS is now fighting for the benefits he's been denied. A group advocating on his behalf says the silence from Congress and the Pentagon is both deafening and disappointing.