User blog comment:Admiral Leviathan/Who'dere? (OHAtW 60)/@comment-5075791-20130513130355/@comment-11644326-20130513131254

Serious Answer: He's watching for any trucks or cars moving down the road, enemy planes, etc. See Spotter

Unserious Answer: The binoculars guy in Advance Wars never gets killed no matter what shoots at his artillery unit. He's the strongest unit in the game with 0% Attack but 400% Defense.