The dad-of-two, who served in the Army for 10 years, has always spoken highly of his time in the military. "The act of remembering, of remembrance, is a profound act of honor," he said last year. "It's how we preserve the legacies of entire generations and show our gratitude for the sacrifices they made in order for us to be able to live the lives we live today."
The news comes after Harry and Meghan Markle won't be making a trip across the pond to attend a party for the late Princess Diana.
Prince William will host the event, and other A-listers such as Sir Elton John will be in attendance.
Even though Harry reunited with his brother in July to unveil the statue of their late mother, it seems like he doesn't want to be around his family, as things are still in flux.
“You would have thought it would definitely be something Harry would really want to be at," Ingrid Seward, editor-in-chief of Majesty magazine, said. "I can’t imagine anything less important for him because he would want to respect his mother.”
"It is a great shame they are not coming. The longer they stay away the greater the rift and the more difficult it is to come back from. They don't come back and the rift continues," noted royal expert Penny Juror. "There is a lot of work to be done, it's a shame they can't come back. It shows they are not interested in making things work."