reconnaissance Synonyms

reconnaissance mission spying out search mission intelligence service inspection watch view tailing survey surveillance spying shadowing information gathering recce recon scouting out preliminary survey Black Ops black operations undercover operations exploratory survey undercover work secret service reconnoitring reconnoitering reccy search scrutiny scouting mission investigation intelligence inquiry infiltration fieldwork explore exploring expedition exoration examination observation patrol probing scout scan review research reconnoitre reconnoiter reconnoissance