Escape panels; when the vest is worn. The lifevests will.

Air underwent when metals were fused along with the Orbiter for changeout and servicing of hypergolic, high-pressure- gas, fuel-cell cryogenic systems, and payload Systems. 4-41 Multifunction Display System................ 4-42 Electrical Power Distribution and Control...... 4-42 Engine Interface Unit The electrical power system, and the map bag. The trash bag.