WTF is a Rapid Effects System in English?
It's a "family" of fighting vehicles - what we used to call tanks, APCs, SPGs etc.
William Hill currently offering odds of 10-1 against that it will be late, 20-1 against that it won't work out of the box, and 30-1 against that the training system will be even later, so > half of them will be stored in a shed until the trainers catch up.