MILITARY teams will invade Sydney Harbour this week, expected to occupy the iconic water way for almost a week.
Luckily, these will be exercises carried out by the Australian Defence Force as part of counter-terrorism training.
According to the ADF, the training will include "small tactical watercrafts" carrying uniformed teams armed with "simulation ammunition and hand-held pyrotechnics" in an effort to sharpen their capabilities.
Those visiting or living nearby will likely spot military vehicles, officers and boats in the Sydney Harbour and Port Botany areas - the ADF has asked spotters not to be alarmed.
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