Hope that BAe and Northrop engineers know what they are doing.
US$ 2 mil is not so expensive, but probably it shuld be mounted at least 4 systems on each plane to cover all bottom hemispere.
Russian manpads have narrow field of view, stupid analogous electronics and proportional navigation. So laser should be pointed exactly to missile seeker to blind it, expecting that blind flying missile will miss the target. For maneuvring fighter it could be expected, but for landing Jumbo?