CINCINNATI (AP) — Republicans are questioning Minnesota Gov. Tim Walz’s military record after Vice President Kamala Harris named him as her running mate this week.

Here’s a look at the issue:

He retired before his unit’s deployment to Iraq

Walz served a total of 24 years in various units and jobs in the Army National Guard. But it’s his retirement in 2005 that’s prompting criticism from some Republicans who are suggesting he abandoned his team to pursue a campaign for Congress.

As he ramped up for a congressional bid in 2005, Walz’s campaign in March issued a statement saying he still planned to run despite a possible mobilization of Minnesota National Guard soldiers to Iraq. According to the Guard, Walz retired from service in May of that year.

In August 2005, the Department of the Army issued a mobilization order for Walz’s unit. The unit mobilized in October of that year before it deployed to Iraq in March 2006.

There is no evidence that Walz timed his departure with the intent of avoiding deployment. But the fact remains that he left ahead of his unit’s departure. In a statement, the Harris campaign pushed back on GOP characterizations of Walz’s service, and also noted that he advocated for veterans once he was elected to the U.S. House.

“After 24 years of military service, Governor Walz retired in 2005 and ran for Congress, where he chaired Veterans Affairs and was a tireless advocate for our men and women in uniform — and as Vice President of the United States he will continue to be a relentless champion for our veterans and military families,” the campaign said.

Before leaving Detroit, where she and Walz played up their support for organized labor, Harris on Thursday responded to a question about the criticism of her running mate’s record.

“Listen, I praise anyone who has presented themselves to serve our country,” she said. “And I think that we all should.”

Walz didn’t serve in a combat zone

Earlier this week Harris’ campaign circulated on X a 2018 clip of Walz speaking out against gun violence, and saying, “We can make sure that those weapons of war, that I carried in war, is the only place where those weapons are at.” That comment suggests that Walz portrayed himself as someone who spent time in a combat zone.

According to the Nebraska Army National Guard, Walz enlisted in April 1981 — just two days after his 17th birthday — and entered service as an infantryman, completing a 12-week Army infantry basic training course before graduating from high school.

While attending the University of Houston in 1985, he was reclassified as a field artillery cannoneer as a member of the Texas Army National Guard, later serving as an instructor with the Arkansas Army National Guard.

In 1987, Walz returned to Nebraska’s Guard detachment, continuing field artillery assignments while he completed a college degree. By 1996, he transferred to the Minnesota Army National Guard. In 2003, he deployed to Italy in a support position of active military forces in Iraq and Afghanistan. But he was not in a combat zone himself.

“Do not pretend to be something that you’re not,” Republican vice presidential nominee JD Vance said Wednesday as he campaigned in Michigan. “I’d be ashamed if I was saying that I lied about my military service like you did.”

Vance enlisted in the Marine Corps after graduating high school, serving four years as a combat correspondent, a type of military journalist, and deploying to Iraq in that capacity in 2005.

Neither Trump nor Harris has served in the U.S. military. Trump received a series of deferments during Vietnam, including one attained with a physician’s letter stating that he suffered from bone spurs in his feet.

The Harris campaign statement said Walz “would never insult or undermine any American’s service to this country” and “thanks Senator Vance for putting his life on the line for our country. It’s the American way.”

What about his rank?

Harris’ campaign has referred to Walz as a “retired Command Sergeant Major,” one of the top ranks for an enlisted soldier. He did in fact achieve that rank, but personnel files show he was reduced in rank months after retiring. That left him as a master sergeant for benefits purposes.

Minnesota National Guard officials have said that Walz retired before completing coursework at the U.S. Army Sergeants Major Academy, along with other requirements associated with his promotion.

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Associated Press writers Darlene Superville, Trenton Daniel and Richard Lardner contributed to this report.

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Meg Kinnard can be reached at http://x.com/MegKinnardAP