men moving in an sonar usually messages settler velocity to lose their equator
drifting is translation_random_trajectory. trajectory is localized_spatial_thing. sonar is measuring_instrument. oscillating_trajectory is trajectory. sonar_device is distance_measuring_device. sonar is navigational_instrument. translation_random_trajectory is translation. navigation_beacon is stationary_artifact. passive_sonar is sonar_device. tilting_camera_downward is pitch_downward.