A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.

A large-scale trench raid at night (November 16-17) by Canadian troops serves as a blueprint for how future raids should be conduced.