Singapore will deploy a huge tethered surveillance balloon to boost its maritime and air security, the defence ministry has announced. The helium-filled “aerostat” will be equipped with radar equipment that can spot threats from as far as 200 kilometers (125 miles) away. “It will be deployed sufficiently high enough so as to have a clear line of sight over Singapore’s air and sea space,” the ministry said. The balloon will be able to scan up to Malacca in Malaysia for stray aircraft as well as detect small boats coming from Indonesia’s Pekanbaru.
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