Across
1. Oaf
3. Battlefield
8. Turned
9. Enlisted
10. U-boat
11. Hoard
13. Calls
15. Digital archive
20. Great Red Spot
23. Draco
24. Chop chop
25. Sandra
26. Extradition
27. Rye
Down
1. Outbuilding
2. Forgoing
3. Bleat
4. The Holy Grail
5. Faith
6. Entrap
7. Dud
12. Deteriorate
13. Craig
14. Sprat
17. Islander
19. Mahout
22. Lycra
23. Drain
24. Cue