11.   Yet, in his mind at least, he would always be an aircraft worker, would always search the skies for vapor trails.

12.   Hale had searched the skies for comets for years, piling up hundreds of hours of telescope time.

13.   Now Gershman says war will end when snow falls this spring, leaving some Serbs to search the skies first thing each morning for snowflakes.

14.   Their heads are either down in disappointment or up, searching the skies for NATO warplanes.

15.   While the X-band radar is searching the skies, the command center fires the interceptor missile into the projected path of the incoming missile.