Across
- 1. 603 namesake
- 5. TIG gas
- 7. TIG technique, walking ________
- 8. common pipe material
- 9. DDG 1000 gas turbine maker
- 12. tighty
- 14. USS Zumwalt homeport
- 15. L-shaped hose
- 17. green clay humanoid, also 2nd shift AB toolkeeper
- 19. DDG51 radar "shield"
- 20. founder of BIW
- 21. Zumwalt captain, also Enterprise
Down
- 2. valve, also monarch
- 3. DDG1000 hull design
- 4. lug-all alias
- 6. 1937 World Cup winner, Bath-built
- 7. measure of turning force
- 10. location of 507
- 11. Bath-built battleship
- 13. test before selling to Navy
- 16. loosey
- 18. valve to prevent backflow