Former CIA Director Gen. Michael Hayden was hospitalized this week after suffering a stroke, according to a statement from his foundation.

The Michael V. Hayden Center for Intelligence, Policy, and International Security on Friday said on behalf of Hayden's wife and family that Hayden suffered the stroke earlier in the week at his home, while offering few other details.

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"He is receiving expert medical care for which the family is grateful," the center said in a statement. "As General Hayden begins the healing process, the family requests that their privacy be respected. The General and his family greatly appreciate the warm wishes and prayers of his friends, colleagues, and supporters."

Hayden, 73, served in the U.S. Air Force before later serving as head of the National Security Agency (NSA) and as former President George W. Bush's director of national intelligence.

The general went on to become a vocal critic of President TrumpDonald John TrumpJoint Chiefs chairman denies report that US is planning to keep 1K troops in Syria Kansas Department of Transportation calls Trump 'delusional communist' on Twitter Trump has privately voiced skepticism about driverless cars: report MORE successor, and advised top officials earlier this year to avoid serving in Trump's administration.

“The longer they were in the administration, the more their personal credentials were being threatened,” Hayden said in May. “At what point do you stop being a guard rail and become an enabler and a legitimizer?”

Hayden also knocked Trump earlier this month after the president skipped a visit to a World War I veterans memorial due to rainy weather.

"I AM a grandfather, older than the President, and was with my wife at an American cemetery in rainy France yesterday," tweeted Hayden earlier in November.

CIA Director Gina Haspel, who took over the job following Trump's appointment of Mike PompeoMichael (Mike) Richard PompeoPompeo open to future Senate run: 'The Lord will get me to the right place' Overnight Defense: Trump issues first veto over 'reckless' emergency resolution | Pompeo moves to restrict international court probing war crimes | Trump taps Air Force general for NATO commander The Hill's 12:30 Report: Trump condemns 'horrible' New Zealand mosque shootings MORE as secretary of State, wished Hayden a "speedy recovery" in a statement through Twitter.

"On behalf of the men & women of CIA, I want to wish Gen. Hayden a speedy recovery. Mike’s long career of public service & commitment to national security continue to be an inspiration to all intelligence officers. Our thoughts are with Mike, Jeanine, & their family," Haspel wrote.