Aqua Lung MK Survival Egress Air Sea HABD Emergency Air Device USN NSW DEVGRU Jul 25, 2021 aqua AQUA LUNG HABD S. MK2 DEVGRU SEALS AOR1 AOR2 Widely used by Special Forces such as SEALS, RANGER, PJ, etc. These are use for escaping from a vehicle, helicopter or plane while underwater. Also good fo...