denizatıvedenizaltı on Twitter: "öncülüğünde radar geliştirme çalışmalarına da hız vermiş ve Kalkan I ve Kalkan 2 radarlarını geliştirmiş ve envantere girmeye başlamışlardır.Kalkan 2 aynı zamanda Hisar O'nun radar görevini üstlenecektir. Bunun yanında
TUNISIA : Turkey's Aselsan seeks to muscle in on military radar project - 18/08/2020 - Africa Intelligence
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Bahrain shows interest to acquire Turkish-made Kalkan-II search and track radar – Polygon Military Magazine
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