There's at least one company, Saildrone, operating out of Alameda, CA (SF Bay Area and one endpoint of the famed Alameda-Weehawken Burrito Tunnel: <https://news

There's at least one company, Saildrone, operating out of Alameda, CA (SF Bay Area and one endpoint of the famed Alameda-Weehawken Burrito Tunnel: <https://news.ycombinator.com/item?id=9958407 https://news.ycombinator.com/item?id=9958407>), which might be suited to that. Its 23--65-foot sail-driven, solar-powered drones are tasked with anti-submarine warfare (most likely largely acoustic detection, so well-suited to cetacean observation, which is how whalesong was discovered in the first place), operate autonomously, over wide-ranging areas of ocean, for long periods. They're mentioned in your link, some additional references: <https://www.saildrone.com/ https://www.saildrone.com/> <https://en.wikipedia.org/wiki/Saildrone_(company) https://en.wikipedia.org/wiki/Saildrone_(company)> Earlier HN discussion: <https://news.ycombinator.com/item?id=16242380 https://news.ycombinator.com/item?id=16242380> (2018, 5 comments). I've mentioned the firm a few times: <https://hn.algolia.com/?dateRange=all&page=0&prefix=false&query=by%3Adredmorbius%20saildrone&sort=byPopularity&type=comment https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...>