WAerial reconnaissanceWAerial reconnaissance in World War IIWArmy Geospatial CenterWArmy Map ServiceWJames W. BagleyWBoston CameraWFairchild K-20WGeospatial Research LaboratoryWGlobal Area Reference SystemWArmy Geospatial Information CenterWHerbert LoperWMilitary Grid Reference SystemWNational Geospatial-Intelligence AgencyWReconnaissanceWRobert Knox SnedenWTrench map
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