I'm sure before Brown commits, he has a chat with the Brass, who I expect tell him we can do it, but we'll be very stretched - which is sort of a standard expression by now. The BBC will visit
HMS Something-or-other, where a very resolute-looking commander will tell them his entire crew are determined and up for this challenging new mission, followed by the youngest sailor on the ship, who will add something profound like 'We've got to do all we can to stop the trouble in the Middle-East'.
Mind you, Israel doesn't have a history of enjoying being 'observed':
Jeffrey St. Clair: When Israel Attacked the USS Liberty