Photo File: HABD or also SEA MKII

HABD? SEA? These two abbreviations basically stand for the same thing. They mean, on one hand: Helicopter Aircrew Breathing Device, on the other hand Survival Egress Air. In essence, they refer to this mini compressed air bottle, often seen on the backs of various US soldiers during VBSS or any activities near water. Purpose: if someone falls into the water, they have air for a few minutes. Today we'll show you some detailed pictures of it.

Here are some details of the relatively unremarkable compressed air bottle. At the other end (bottom) there is usually a mouthpiece from Aqualung.The mouthpiece in detail. There are special pouches from different manufacturers to attach the bottle to the vest

Here is where you open it up and refill. The pressure can also be read.