Darrin and Mac do their thing.
https://www.stripes.com/news/marine-saves-chinese-scuba-diver-from-drowning-off-okinawa-1.530453
http://www.wirralglobe.co.uk/news/16267330.Record-breaking_scuba_diver_subject_of_new_film/
http://thebusinesstimes.com/everything-i-need-to-know-about-business-i-learned-from-scuba-diving/
https://www.yankodesign.com/2018/06/06/the-last-diving-mask-youll-ever-need/
http://www.ecns.cn/hd/2018-05-31/detail-ifyuurnp0995973.shtml