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observation balloon
- Fonte1
- ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS. Projeto ABNT 08;020.30-009-1: aeronáutica e espaço – vocabulário – parte 1 – aeronaves. Rio de Janeiro, 2011.
- Subárea1
- Aircraft
- Related Term
- balloon
- kite balloon (1)
- Português
- balão de observação
- Imagem
Close-up view of an American major in the basket of an observation balloon flying over territory near front lines during World War I.
Fonte: http://en.wikipedia.org/wiki/File:World_War_I_Observation_Balloon_HD-SN-99-02269.JPEG
