sentries, guards
On va tomber sur des sentinelles.
We're going to run into some sentries.
— La Guerre des étoiles (1977)
On a quatre sentinelles-radars, dont les écrans et les scanners sont intacts.
We have four radar sentries, and their screens and scanners are intact.
— Aliens, le retour (1986)
Puis, on mettra les autres sentinelles-radars là et là.
Then we’ll put the other radar sentries here and here.
— Aliens, le retour (1986)
C'est plein de sentinelles partout !
There are guards everywhere!
— Gramps Is in the Resistance (1983)