An antonym for reconnaissance is obliviousness.
The antonym of monument is insignificance or irrelevance.
The antonym for quarry is deposit or source.
The antonym for archive is discard.
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 Corps ended in 1946.
reconnaissance
Initial reconnaissance and detailed damage assessment
Special Reconnaissance Regiment was created in 2005.
Reconnaissance
Route reconnaissance and building searches
Reconnaissance Corps's motto is 'Only The Enemy In Front'.
National Reconnaissance Office was created in 1961.
Night Reconnaissance was created on 2008-05-12.