NAPS is undoubtedly one of the best paths for a candidate to pursue a commission via USNA - the experience of reporting to Newport for a side-by-side environment shared with fleet personnel will allow for educational reinforcement in weakened areas coupled with perspectives from enlisted...
There are some volunteer fire dept's in the area that would allow for you to train with and work toward quals - Anne Arundel County has a decent page w/ info : https://www.aacounty.org/services-and-programs/volunteer-as-a-fire-fighter
The issue that comes up are required hours, time is limited...