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The SA Navy's Hydrography ship SAS Protea and the frigate SAS Isandlwana docked in Port Elizabeth over the weekend.
The vessels docked at the PE harbour for the celebration of World Hydrography Day which took place on Saturday.
Hydrography is the measurement and description of sea features in order to improve safety of navigation.
Hydrographer, Captain Abri Kampher says the visit to Port Elizabeth serves as an opportunity for hydrographers to showcase the importance of what they do..
