Long for Recon, a term for gathering preliminary information.
Explore, investigate, examine, scrutinize, inspect, observe, take a close look at; patrol;, observation, investigation, examination, inspection; search; reconnoitering; check out, scope out, recon up close, exploration.
Do a reconnaissance of the stroll on foot.
Sarita and Heather, turned up on a reconnaissance of the Mission.
Information gathered on the sly about a lover/friend/enemy.
I saw your boyfriend at the gay bar last night dancing with another man. Good reconnaissance work.