That's a wonderful story. Congrats on the Coast Guard.
Happily there are sooooo many areas to learn about and explore with the fish hobby. You should have years of enjoyment and learning ahead!
FW & SW
Favorite tank right now - 72G Bowfront Wadai Tetra, Cardinal Tetras, Ghost Glass Cat Kryptopterus bicirrhis and Clown Loach Cory haven
New to FW fish? First tank in a long time or EVER??? Need some info on keeping fish?
Start here - Aquarium Advice Article