All 5 Uses

reconnaissance
in
Alas, Babylon
(Auto-generated)

I think we lost some time ago, because the last five Sputniks have been reconnaissance satellites.†
Chpt 2 *
By then, the reconnaissance jet that had shadowed Task Group 6.7 through the darkness hours had vanished from the radar screens.†
Chpt 4
If the hostile reconnaissance jet came in from a base in Egypt or Albania, he would be in a position to intercept.†
Chpt 4
There was no doubt the bogy knew he was on its tail, for reconnaissance aircraft would be well equipped with radar.†
Chpt 4
One, from the Air attache in Ankara, reported Russian aerial reconnaissance over the Azerbaijan frontier.†
Chpt 4

Definitions:

(1) (reconnaissance)
the act of exploring or information produced by such exploration -- especially for military purposes
(2) (meaning too rare to warrant focus)