Unable to answer "What kind of memorial is this?" for https://osm.org/way/579386330 via StreetComplete 53.0:

Combination of a monumental column (remembrance for victims of the second world war) and information panels about the air field

Attached photo(s):
https://westnordost.de/p/150470.jpg
https://westnordost.de/p/150471.jpg