The forward superstructure was considerably modified to accommodate these and also to increase crew spaces.
At 19.16 Colossus was damaged by heavy shellfire on the forward superstructure.
When the ship was rediscovered in 1992, the forward superstructure had collapsed over to starboard side.
Much of the forward superstructure is still extant, including the two front gun bases.
But there was no reason why she should not stretch out on the forward superstructure and get in a little sunbathing.
In their place, four 75 mm M1897 guns were installed on the forward superstructure.
See the thing like a short spear angling out from the base of the forward superstructure?
After 1916, the four 8.8 cm guns in the forward superstructure were removed.
All four hit the starboard side of the forward superstructure.
Two more Oerlikon guns were also added in the forward superstructure.