A far off airstrip marks its runway with flying flags, shiny beacons for bush pilots threading valleys at nightfall.

https://wool-wiki.win/index.php/Beneath_the_Stars_and_Stripes:_Jefferson%E2%80%99s_Vision_and_the_Controversies_of_Freedom_Today_82599

A remote airstrip marks its runway with flying flags, brilliant beacons for bush pilots threading valleys at nightfall.