PLSS meaning in Governmental ?

Answer: What is Portable Life Support System mean?

A primary (or portable or personal) life support system (or subsystem) (PLSS), is a device connected to an astronaut or cosmonaut's spacesuit, which allows extra-vehicular activity with maximum freedom, independent of a spacecraft's life support system. A PLSS is generally worn like a backpack. The functions performed by the PLSS include:

Regulating suit pressureProviding breathable oxygenRemoving carbon dioxide, humidity, odors, and contaminants from breathing oxygenCooling and recirculating oxygen through the pressure garment, and water through a Liquid Cooling and Ventilation Garment or Liquid Cooling Garment.Two-way voice communicationDisplay or telemetry of suit health parametersTelemetry of an indicator of the wearer's immediate health (e.g. heart rate)

The air handling function of a PLSS is similar to that of a diving rebreather, in that exhaled gases are recycled into the breathing gas in a closed loop.

When used in a microgravity environment, a separate propulsion system is generally needed for safety and control, since there is no physical connection to a spacecraft.

reference

Full Form	Category
Parish Life in the Spirit Seminar	Community
Portable Life Support Subsystem	General
Programme and Learner Support System	General
Portable Live Support System	General
Position Location Sensor System	Governmental
Precision Location Strike System	Governmental
Public Land Survey System	Governmental
Portable Life Support System	Governmental
Primary Life Support System	Governmental