The tightly woven vines were almost too thick to pass through without shaking the overhead cover.

The result was a breach in the overhead cover that seemed to offer a way under the remaining canopy.

Let's pull back under the trees and get some sort of overhead cover rigged.

When time allowed, dugouts with strong overhead cover could be constructed.

Fighting positions were dug with full overhead cover and interlocking fires all around, as was the standard practice.

It's no more than a wall of piled up rocks, with no overhead cover.

They're going to put in an overhead cover.

This overhead cover provides midday shade, but is open at the base to allow easy escape from predators.

The double wall formed a raised trench with firing loops and there was no overhead cover.

However, the trenches had no fire steps and the weapons pits lacked overhead cover.