Surveillance
The antonym of monument is insignificance or irrelevance.
The antonym for quarry is deposit or source.
Current records
The antonym for sarcophagus is likely "living" or "alive," as a sarcophagus is typically associated with death and burial.
The antonym for batholith is small igneous intrusion or dyke.
Reconnaissance is a noun.
The reconnaissance patrol leader.
there was a reconnaissance for illigeal drugs at the jr. high
reconnaissance
Reconnaissance Corps ended in 1946.
Reconnaissance
Route reconnaissance and building searches
Reconnaissance Corps's motto is 'Only The Enemy In Front'.
National Reconnaissance Office was created in 1961.
Special Reconnaissance Regiment was created in 2005.
Night Reconnaissance was created on 2008-05-12.
The two phases of reconnaissance are passive and active. In passive reconnaissance, the attacker gathers information without directly interacting with the target system. In active reconnaissance, the attacker engages with the target system to gather more detailed information.