Welcome to Halo Answers. What would you like to know?

Well, it is implied that they were deployed all over the planet, but the majority of it was concentrated in Africa.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.