![](https://www.historynet.com/wp-content/uploads/2022/02/British-soldiers-Fairbairn-Sykes-knife.jpg)
British commandos practice fighting techniques using the Fairbairn-Sykes knife, designed by William E. Fairbairn. (IWM H 26613)
IWM H 26613
British commandos practice fighting techniques using the Fairbairn-Sykes knife, designed by William E. Fairbairn. (IWM H 26613)
IWM H 26613