What are the components of a NASA astronaut's space suit?

There are many, many components to the space suit. Let me break them up into major units: Primary Life Support System (PLSS), Hard Upper Torso (HUT), Lower Torso Assembly (LTA), Arm Assembly, Gloves, Communications Carrier Assembly (CCA), Helmet, Extravehicular Visor Assembly (EVVA) and finally Liquid Cooling and Ventilation Garment. read more

The spacesuit used on space shuttle and International Space Station missions is like a personal spacecraft. The spacesuit provides protection and a means for survival for the astronaut. Like a small spacecraft, the spacesuit allows astronauts to work outside of their space vehicles. read more