Hegseth is a crusader more than he's a bringer of Armageddon. Unfortunately, there are plenty of christian Zionists in the administration who do indeed want to bring about Armageddon. This other guardian article covers the topic much more thoroughly:
https://www.theguardian.com/us-news/ng-interactive/2026/apr/...
Nothing there about wanting to bring about Armageddon.
Neither the "Christian" nationalists nor The Guardian seem to know much about the actual history of the crusades. Its interesting how people with opposite ideological lenses unite in believing the same myths.