In the accompanying illustrations the ensigns, flags and pennants of the principal maritime nations are shown, the national flag and the ensigns carried by the land troops being indicated in each case.
In addition to the flags of the United States shown in the illustrations special flags are provided as distinguishing insignia for the Naval Reserve, the Naval Militia of the several States and territories, and for the merchant ships operated under the United States Shipping Board.
BELGIUM
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| ADMIRAL Vice Admiral 3 upper circles Rear Admiral 2 upper circles | ENSIGN & MERCHANT FLAG | COMMODORE |
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| PENNANT | ||
ITALY
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| ENSIGN | JACK | MERCHANT |
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| ADMIRAL | VICE ADMIRAL | REAR ADMIRAL |
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| PENNANT | ||
RUSSIA