1 “... researchers developed a framework that categorizes professionals' responses to surprise in terms of the time...”

2 Table of Contents: “... characteristics -- Nomenclature -- A framework for addressing orbital debris and the comparable problems...”

3 “...Space debris, the man-made orbital junk that represents a collision risk to operational satellites...”

4 “... the original study: From December 2008 to December 2011, the cumulative amount of time that a soldier has spent...”