Do the lasers immobilise the aircrafts or destroy them?

Question: Do the lasers immobilise the aircrafts or destroy them?
- Keywords:
  aircraft,
  laser,
  war
Asked by Dobby to Sarah on 16 Jun 2015.
- Sarah Beasley answered on 16 Jun 2015:
  
  The aim is not to do either! The aim is to destroy an incoming missile rather than actually aiming for an aircraft. So it just protects our aircraft rather than attacking another one.

Question: Do the lasers immobilise the aircrafts or destroy them?