[1] In 1862 the Confederate paddle steamer Iona I collided with Chanticleer and sank off Fort Matilda.
[1][3] In the 1890s the fort was renovated with the addition of a pier to support a minefield which had been built offshore, and refurbished again in 1902–1904.
[5] The location sits on the opposite side of the River Clyde from the Holy Loch, which was used as a torpedo testing range.
[6] The pier at Fort Matilda was widely used by the United States Navy as an unloading point for supplies destined for the base on the Holy Loch.
[8] The fort was demolished shortly before World War II[1] and the torpedo factory closed in 1951 when production was moved to Alexandria.