System where the crew members of an anchored ship are divided in half, where half the crew remain on watch duty, while the other half land on shore.

enemy or rival territory

(literary) they

(military) tactic, tactics

to use, make use of, utilize / to adopt, employ / to appoint, assign / to employ, hire / to need

penetration / invasion / trespassing

to invade / to break in / to trespass

landing, coming on shore / a typhoon hitting land, making landfall

land, disembark, come on shore / a typhoon to hit land, make landfall

an enemy / revenge, vengeance / opponent (of the game or conflict) / (archaic, obsolete) marriage partner