Retired Vice Admiral Robert Harward, a former US Navy SEAL and CENTCOM deputy commander, sparked controversy after a viral video appeared to show him wearing a mask on Fox News.
Here are five key facts about Harward:
1. Harward hails from Hendersonville, Tennessee, and has a Bachelor of Applied Science from the United States Naval Academy.
2. He worked for eight years at Lockheed Martin, serving as their Chief Executive in the United Arab Emirates.
3. Harward is currently the Executive Vice President of Shield AI, an American aerospace and defense technology company based in San Diego, California.
4. He was once Trump's choice for US national security adviser in 2017.
5. Harward spent his teenage years in pre-revolutionary Iran, and his father was a Navy captain who advised the Iranian military.