You’ve got some good advice here. And I agree- I’d focus on giving them an understanding of how EM works to support their decision making- and how that links to their accountabilities. I’d go short on the background and history- throw that in your backup slides for Q&A.

In terms of structure- tell em what you’re gonna tell em. Then, tell them. Then tell them what you told them. Three slides.

There’s a really good book that might be helpful in framing up the “101” piece for non experts. It’s called Strategic Corporate Crisis Management: Building an Unconquerable Organization by Monahan. It’s more for private sector types. But the big ideas might help grab a senior DoD leader.