Bet you didn't know...
https://www.outsideonline.com/2353856/national-park-service-investigative-services-branch Gary Haupt
Forum Discussion
I checked on my InReach home page. From what it says - if I was looking at the right thing - it's only available if you're under 75. I just went past that and the DW is only a few short years behind ... and it's much higher than $18/yr per person.
