Across
- 8. used the sun, constellations & North Star to navigate
- 10. Established trade routes
- 12. 1st expedition devoted to Marine Science
- 13. 1st US ship specifically built for ocean studies
- 15. Untethered robots, self contained power source, onboard computer pilot
- 16. Deep Diving Submersible
Down
- 1. 1951
- 2. 1987; Phil Nuytten
- 3. The earliest known seafarers
- 4. Developed the magnetic compass
- 5. Father of Oceanography
- 6. Small, unmanned with an umbilical to the surface or to a submarine
- 7. Tethered
- 9. Air ballast for vertical motion up & down, small motor for limited horizontal mobility
- 11. 1st air supplied diving hard hat with hose
- 14. 1st Latitude & Longitude System