reconnaissance Synonyms

reconnaissance mission observation scout scouting investigation search information gathering surveillance spying recon survey inspection espionage reconnoitering fact-finding recce reccy monitoring search mission scan intelligence service reconnoitring gathering intelligence spying out scouting out preliminary survey Black Ops black operations undercover operations intelligence gathering exploratory survey undercover work spywork secret service watch view probing patrol mission lookout intelligence inquiry infiltration explore exploring exploration expedition exoration examination probe