Merchant raider

Merchant raiders are ships which disguise themselves as noncombatant merchant vessels, whilst actually being armed and intending to atttack enemy vessels.

See also: Hilfskreuze Atlantis

External Link

Marauders of the Sea, German Armed Merchant Raiders During World War 2 (http://members.tripod.com/mackenziegregory/log/macslog/MaraudersoftheSea2GermanA.html)