> French generals ignored new developments in warfare like camouflage clothing or steel helmets For the helmet, it didn't last long, since the Adrian helmet wa

> French generals ignored new developments in warfare like camouflage clothing or steel helmets For the helmet, it didn't last long, since the Adrian helmet was introduced in 1915 [0]. And at the start of the war, I don't think any army had standard issue steel helmets. For the clothing, the standard issue also switched to the navy blue in 1915. [0]https://en.wikipedia.org/wiki/Adrian_helmet https://en.wikipedia.org/wiki/Adrian_helmet