Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
But they also have a long military history that extends back to the Napoleonic era in Europe during the late 18th century and early 19th century when they were used for surveillance and bombing missions.
Source: https://businessmirror.com.ph/2023/02/08/did-chinas-balloon-violate-international-law/