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HMS Invincible Trench One
Trench 1 was a continuation from the 2017 trench. The sandbags which were used to backfill and cover the 2017 excavation area were removed and the grid was assembled over the site. The final excavated area extended from the remains of the stem aft to a position passed the second gun station and down to the bottom of the hold . As the excavation progressed numerous agisoft photoscan targets were nailed to the structure as it became exposed. Photogrammetry surveys were conducted at various stages of the excavation to record both artefacts in-situ and the Invincible’s structure.