Category:World War I balloons
From Wikimedia Commons, the free media repository
English: Media relating to military captive balloons : lighter than air vehicles with no propulsion system, attached to the ground or ship by a cable and used for observation, etc. in World War I.
This category has the following 2 subcategories, out of 2 total.
Media in category "World War I balloons"
The following 59 files are in this category, out of 59 total.