Many firsts, and many more to make

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Across
  1. 9. acknowledgment of orders via radio, Tweedyesque
  2. 10. world's best bolognese
  3. 11. maze structure, also used for gas
  4. 14. dark swim in an aptly named location
  5. 16. southern Napa equivalent
  6. 17. grand slam not filmed
  7. 18. the month that started it all
  8. 22. beautiful, driven, intelligent, artistic, and kind
  9. 24. oldest ship that still sails
  10. 26. Amazon, Fedex, UPS receptacles
  11. 27. one who commands the attention of any room she enters
  12. 28. island and ship that carries planes
Down
  1. 1. watercraft (dangerous but fun)
  2. 2. small ecosystem
  3. 3. Guiness!
  4. 4. pasta musician
  5. 5. duo water sources below Mt Elbert
  6. 6. Livin inquiry?
  7. 7. mortadella
  8. 8. musky smell of precipitation
  9. 12. nicknamed mountain feature near Ralphie
  10. 13. edible mascot
  11. 15. regal, elegant, loving; though some may say loud
  12. 19. what you are to me
  13. 20. earth's largest organism, known for its dynamic appearance
  14. 21. meeting your person
  15. 23. sunflower
  16. 25. (cardinal direction) sells libations