Extra challenge

1234567891011
Across
  1. 2. Where important choices are made in Love Island
  2. 5. Rotating gunhousing on a tank
  3. 6. Vital part of a knight's equipment
  4. 8. Male herbivorous shore-dwelling mollusc
  5. 10. Elderly tourist attraction in Yellowstone National Park
  6. 11. 19th-century Scottish Baronial castle
Down
  1. 1. Trainee soldier
  2. 3. Percival, Tristan and Gaheris sat here
  3. 4. Exile
  4. 7. Which meal will be missing a person?
  5. 9. Corvid collective noun