"Safety and security of our volunteers is absolutely our top priority and we are continually looking at this topic and I have to say that in the last few years we have done an amazing amount of work to try to improve both our systems to support volunteers, to ensure confidentiality and to strengthen their preparedness and training."

VOA: special.2011.03.28

Over the last few days, they have done a great deal of work on the orbiting outpost during three spacewalks.

VOA: standard.2009.11.30

"He was a guy who tried to get people to work on their own behalf, to get things done and to try to have everybody contribute,"

VOA: standard.2010.01.16