This memorial, located close to the Museum of Dunkerque, is in honor of Georges Guynemer a celebrated French Ace of WWI (54 victories). Guynemer disappeared Sept 11, 1917 in Belgium, it was ordered dismantled by the axis occupation forces.

Flying on different types of Morane-Saulnier, Nieuport, SPAD (VII, SPAD XII gun, SPAD XIII). Notably, he survives eight times after his plane was shot down. He was assigned during his career to No. 3 squadron (MS 3, N 3 then SPA 3), called "Escadrille des Cigognes", the most successful hunting unit of the French wings between 1914 and 1918. His motto is "Face" and his planes are usually painted yellow and baptized "Old Charles"

https://www.aerosteles.net/stelefr-malo-guynemer

https://twitter.com/nickfshort/status/1220971218775564289/photo/1

https://www.komoot.com/highlight/991319

https://www.flickr.com/photos/sdasmarchives/48712027308/in/album-72157672968365917/