File:JIM suitRoyal Navy Submarine Museum.jpg - Wikimedia Commons
Escape Suit, MK9 (Submarine): Royal Navy | Imperial War Museums
Old Diving Suit Stock Photo - Download Image Now - Antique, Black Color, Cut Out - iStock
Looks like I never actually posted this here, so here it is now. My soviet SGP submarine escape suit, plus a MacGyver's replacement for the rebreather. : r/gasmasks