Across
- 2. The world's first operational nuclear-powered submarine
- 4. Swedish warship that sank on its maiden voyage in 1628
- 5. Its sinking in Havana Harbor helped spark the Spanish-American War
- 8. Luxurious French ocean liner of the 1930s
- 9. Nicknamed "Old Ironsides," a famous wooden-hulled frigate
- 11. Famous British tea clipper, preserved in Greenwich, London
- 16. A ship named after a location, served during the War of 1812
- 17. Famous aircraft carrier of World War II
- 18. One of Captain Cook’s ships on his second and third voyages
- 20. An ironclad warship notable for its battle against the CSS Virginia
- 22. The ship that rescued survivors of the Titanic sinking
- 24. James Cook's ship on his first voyage of discovery
- 28. The ship that carried Charles Darwin on his voyage of discovery
- 29. Notable ocean liner that sank on its maiden voyage in 1912
- 31. A German airship that became a symbol of aviation innovation
- 33. Tudor warship that sank in 1545, now a museum in Portsmouth, England
- 36. Admiral Nelson's flagship at the Battle of Trafalgar
- 37. One of the three ships Columbus sailed to the New World
- 38. British battlecruiser sunk by the Bismarck in World War II
- 39. The raft used by Thor Heyerdahl to cross the Pacific Ocean
- 40. The ship that brought the Pilgrims to America in 1620
- 41. The battleship where Japan's surrender was signed in World War II
- 43. The Confederate counterpart to the Monitor in the Battle of Hampton Roads
- 45. Iconic British ocean liner, now a hotel in Long Beach, California
- 46. The ship used in Ernest Shackleton's Antarctic expedition
- 47. A caravel that sailed with Columbus in 1492
- 48. Fictional pirate ship from the "Pirates of the Caribbean" movies
Down
- 1. U.S. Navy ship sunk by a Japanese submarine in 1945, leading to a dramatic survival story
- 3. Revolutionary British battleship launched in 1906
- 6. Japanese aircraft carrier sunk at the Battle of Midway
- 7. The flagship at the Battle of Trafalgar
- 10. British ocean liner torpedoed by a German U-boat in 1915
- 12. The fastest ocean liner ever built, now awaiting restoration
- 13. The name of several significant U.S. aircraft carriers
- 14. Sister ship to the Titanic, sunk during World War I
- 15. A U.S. aircraft carrier now a museum in San Diego, California
- 19. Aircraft carrier that launched the Doolittle Raid during World War II
- 21. First battlecruiser built for the Royal Navy
- 23. Largest battleship ever built, part of the Imperial Japanese Navy
- 25. The flagship of Christopher Columbus on his first voyage to the New World
- 26. The galleon Sir Francis Drake used to circumnavigate the globe
- 27. Memorial in Hawaii for a ship sunk during the Pearl Harbor attack
- 30. Famed German battleship sunk during World War II
- 32. The name of several significant Royal Navy aircraft carriers
- 34. An aircraft carrier known for its role in the Battle of Midway
- 35. U.S. battleship sunk at Pearl Harbor, now a memorial
- 38. British battleship sunk in the Pacific during World War II
- 42. Massive steamship designed by Isambard Kingdom Brunel
- 44. Famous for the mutiny led by Fletcher Christian