Naval Nationality Chart - 22.552A, 23.441B

DRM

Nationality

3

Japan

2

Germany, Britain, United States, Sweden, Australia

1

Italy, France

0

Russia, Greece, Rumania, Spain, Turkey, Dutch East Indies

Modifiers

+1

Five-factor battleships

+1

German submarines

-2

Japanese and American CVLs; all CVs and CVEs

-1

German, Italian and British CVLs; all CVBs

-1

Naval units in partial supply or subject to naval oil effects.

Explanation: When fleets with different DRMs engage in fleet combat, the two DRMs are compared. The higher ranking side adds the difference to its fleet combat dice roll, and the lower ranked side subtracts the difference from its fleet combat dice roll. Air attack dice rolls against naval units are reduced by the DRM of the attacked naval units.