This is a halo crossover.
The UNSC Infinity exits slip space because of an EMP on board the ship and exits in the atmosphere of an unknown world. But you most likely know what one it is duh Equestria.

This is my first story ever other than a few book reports but ive been reading a lot of stories and thought I should contribute if you have any sugestions to help me that is welcomed this is just a taste of what is to come and if people actually like this then ill put out more but I don't wright often so don't expect really quick updates so ya read on!