History: In 1936/1937 Cardington started building barrage balloons; and it became the No 1 RAF Balloon Training Unit responsible for the storage and training of balloon operators and drivers. [1500 × 1102]

https://i.redd.it/g2q4sx67p1431.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/c00zhi/in_19361937_cardington_started_building_barrage/?utm_source=ifttt