McCann Rescue Chamber
Introduction

[thumb\|A US Navy Submarine Rescue Chamber, an improved version of the McCann Submarine Rescue Chamber, at [Naval Air Station North Island](/wiki/Naval_Air_Station_North_Island "Naval Air Station North Island"), San Diego, 2007](/wiki/File:Submarine_Rescue_Chamber-USN.jpg "Submarine Rescue Chamber-USN.jpg")
The **McCann Submarine Rescue Chamber** is a device for rescuing submariners from a submarine that is unable to surface.


Are there any similar devices developed by other countries?