For what it is worth I agree with all the posts, but sometimes thinking out of the box brings forth Ideas that can produce a totally new concept at a fraction of the costs that the Arms companies would spend on R and D.
The Americans have seen the benefits of this and are vigourously pursuing it and it is starting to pay results, The Rip Saw was developed for less than Bae would use as supposed "backhanders" ( $10 million ) and combines clever design and a totally new approach to an age old problem of track design. And that is why peoples suggestions no matter how "cranky" are valuable, you never know someone may think, hey that has merits............... and the rest is history
see
Howe & Howe - Vehicles
BTW I want one of those Mini ones....... looks fun