Extravehicular activity

NASA Photos of Astronaut Edward H. White II during Extravehicular Activity Performed during the Gemini-Titan 4 Space Flight,... 

FIGURE 1-1 Astronaut Buzz Aldrin poses for a photograph beside the United States fiag during an Apollo 11 extravehicular activity (EVA) on the lunar surface. 

Essex Corporation, Extravehicular Activity in Mars Surface Exploration, Final Report on Advanced Extravehicular Activity Systems Requirements Definition Study (1989) NAS9-17779. 

Extravehicular Activity (EVA) Activity that occurs outside the protective environments of spacecraft, such as a spacewalk. 

Zn-AgO batteries are widely deployed in space application because of their outstanding electrical performance capabilities. These batteries have been used by the astronauts of several missions in their extravehicular activities because of their high-energy capability and portability aspects. These batteries can be used in portable applications, such as television cameras, medical equipment, communications equipment, and lighting systems. 

---