The name of the game is stealth. The Executive could tell that the page was something special, so it's in a personal collection, in a display case. But he doesn't know that their objective is coming to take it.

That means if one team moves quietly enough, they can potentially reclaim it without being noticed.

But that's contingent on them getting to it without any Censors they run into having a chance to radio for help. They'll have to be fast and efficient.