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navigation US English

The process or activity of accurately ascertaining one’s position and planning and following a route

inland navigation US English

Transportation by canals, rivers, and lakes

navigation lights US English

A set of lights shown by a ship or aircraft at night to indicate its position and orientation, especially with respect to other vessels or aircraft

celestial navigation US English

The action of finding one’s way by observing the sun, moon, and stars

astronavigation US English

Determination of the position and course of an aircraft or a spacecraft by means of observation of the stars