War Fair or Unfair?

12345678910111213141516171819
Across
  1. 1. Deliberately damage equipment
  2. 4. Foot soldiers, the real heroes!
  3. 6. An attack of a city, fortress (also famous S Segal film + under)
  4. 10. Checking out an area before hand (also typical in everyday language)
  5. 15. Fragments of exploded shell or buildings, structures (also small change)
  6. 16. The wettest and stealthiest of vehicles
  7. 17. Remove military forces and weaponry
  8. 18. Soldiers on horseback (also part of famous phrase)
  9. 19. The ultimate weapon, but always with a small vulnerability.. (5,4)
Down
  1. 2. Intense artillery fire
  2. 3. Military weapons
  3. 5. From out of which they fought, especially wartime
  4. 7. Truce agreement
  5. 8. Large vehicle, also to fail (particularly a film)
  6. 9. Prepare, activate forces for action
  7. 11. Flammable gel (also famous band - '__ death'
  8. 12. Someone signed up for action
  9. 13. A defensive response to an attack
  10. 14. A rebel or solo soldier, fighter