After graduating from the Iowa Military Academy in 1964 he spent 10 years in the army reserve in Omaha, Neb.

Source: https://www.pressherald.com/2023/11/05/obituarydonald-don-harper-2/

Apparently, he learned a lot about war at the New York Military Academy because he has subsequently claimed that he knows more about war than career generals and admirals.

Source: https://www.nhgazette.com/2023/08/11/how-is-this-possible/

Colorado Springs’ military culture and widespread respect for serving probably bled into his decision to attend the U.S. Military Academy at West Point, he said.

Source: https://gazette.com/premium/a-cowboys-tale-of-growth-in-colorado-springs/article_c3b1cc02-5e22-11ee-a08f-df7fb0f3af2e.html

Prince Harry befriended at the Royal Military Academy Sandhurst.

Source: https://www.dailymail.co.uk/news/article-12260047/Prince-Harry-misses-best-mans-big-day-Sussexes-dont-attend-wedding-polo-chum-Jack-Mann.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

"This will allow me to focus on the final module of training at the Royal Military Academy Sandhurst and my duties as a constituency Member of Parliament.

Source: https://www.gazette-news.co.uk/news/23919474.colchester-mp-resigns-ministerial-role-one-year/?ref=rss