All 6 Uses

probe
in
Flags of Our Fathers
(Auto-generated)

The captain sent a patrol around the southern base of Suribachi to seek a linkup with the 3rd Battalion and to probe for enemy soldiers in the caves along the base of the volcano.†
Chpt 10.

probe = to investigate; or an investigation; or an instrument used for investigation
And the dangerous probing by foot began.†
Chpt 11. *

probing = investigating
The 2nd Platoon—Mike with Harlon, Franklin, and Ira—was off on a probe around Suribachi's base.†
Chpt 11.

probe = to investigate; or an investigation; or an instrument used for investigation
The 2nd Platoon had just trooped in from its probe around the mountain's base.†
Chpt 11.
I was probing him for details, and he spoke for seven or eight disinterested minutes.†
Chpt 14.

probing = investigating
And once again, the press probed for a hotter angle.†
Chpt 16.

probed = investigated

Definitions:

(1) (probe)
to investigate closely; or a tool or device used to explore, examine, or gather information
(2) (meaning too rare to warrant focus)