world map of principal aeronautical features

world aeronautical chart

Defense Exportability Features (DEF)

man-made features

natural features

relief features

construction features

features of synthesis algorithm implementation for reflected signals

implementation features

water features

planimetric map syn. line map

grid map / gridded map

World Food Programme (WFP)

world geodetic system (WGS)

World Geographic Reference System (WGRS); georef

world war

drone war (world’s first drone war)

World area forecast center

world geodetic system

world meteorological organization (WMO)

world-wide communication

World Weather Watch

world fallout

world geographic reference system

world polyconic grid

principal attack

principal duty

principal military requirement (PMR)

principal position

principal reserve

principal

Principal Subordinate Command (PSC)

principal direction of fire (PDF)