Drop Boeing into Middle-Earth. or Northrop-Grumman into Azeroth, I can assure you the impact will be a lot greater than a kid with a smartphone or an OP harem.
Build a kingdom? Why bother? They could control the entire planet with experimental fighter-jets and AK-48's.
Academy arc? Nah, lets focus on building the academies.
This is the story of Arna & Reynolds; the largest supplier of the US military, and now the newly summoned Heroes of another world.
(This is a Nanowrimo project. You are reading the unedited alpha-draft and major changes should be expected as the story expands.)