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Across
1. "Tin necktie," slang for the Knight's Cross.
7. Lightning war.
8. Bridge.
9. Code name for Nazi attack against Soviet Union (Red Beard).
12. A producer of military vehicles and engines to power both German aircraft and surface vehicles. (2 words)
16. Substitute, replacement, reserves.
17. Identity tag; "dog tag".
20. Iron cow; evaporated milk. (2 words)
21. German message encryption equipment.
22. German spelling alphabet for A equivalent to Alpha
23. Latrine, literally "thunderbox."
Down
2. U-boat order to begin a crash dive.
3. Army, typically a numbered army.
4. Paratroopers; German airborne troops.
5. A German radio-navigational system.
6. Emblem used on Third Reich military aircraft and vehicles; equal-armed black cross flanked in white.
10. Nuclear weapon.
11. Standard field cap.
13. "The dream is over"; a slogan painted by German soldiers near the end of the war. (3 words)
14. Iron cross; medal awarded for valorous service. (2 words)
15. Gasoline or petrol.
18. Battle pitting British under Montgomery's 8th Army (1200 tanks) against Rommel's Afrika Korps (500 tanks). (2 words)
19. A head wound, literally "roof damage."
20. English name for Hitler's mountain-top summerhouse at Berchtesgaden. (2 words)
24. German slang for an American soldier.