When Aryanne, Ponyville's resident Nazi sympathizer/unicorn supremacist (who is an earth pony), takes over as substitute teacher for Cheerilee's class, she discovers the ponies aren't quite as excited about eugenics as she is.
A Pilot's Atlas-Class Titan receives a "Turbo Drop" directive for immediate effect on drop-point, but a malfunction in the Warpfall Transmitter produces...interesting results.
The Sahara Desert is a very uniqe place. Very few humans have ventured there, and fewer have ever returned. A U.S. Marine operation takes two brave tanks into the Sahara's dizzying grounds, and only one crew was ever seen again.
Frank Horrigan, walking tank and super soldier of the Enclave, ends up in Equestria of all places when he is defeated by the Chosen One. At the end of each chapter, you make the decision for what Frank does in the next chapter!