Drawings by country:

Albania
Algeria
Argentina
Australia
Austria
Austria-Hungary
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Belgium
Bermuda
Brazil
Brunei
Bulgaria
Cambodia
Canada
Cape Verde
Cayman Islands
Chile
China
Colombia
Confederate States of America
Croatia
Cuba
Curaçao
Cyprus
Czech Republic
Denmark
East Germany
Ecuador
Egypt
Estonia
Finland
France
Germany
Ghana
Great Britain
Greece
Greenland
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Jamaica
Japan
Kazakhstan
Kuwait
Laos
Latvia
Liberia
Libya
Lithuania
Malaysia
Malta
Manchukuo
Mexico
Morocco
Myanmar
Netherlands
New Zealand
Nigeria
North Korea
Norway
Oman
Pakistan
Panama
Paraguay
Peru
Philippines
Poland
Portugal
Qatar
Romania
Russia
Saint Vincent and the Grenadines
Saudi Arabia
Seychelles
Singapore
Slovenia
South Africa
South Korea
South Vietnam
Spain
Sri Lanka
Sweden
Switzerland
Taiwan
Tanzania
Thailand
Trinidad and Tobago
Tunisia
Turkey
Ukraine
United Arab Emirates
United States
Uruguay
Vanuatu
Venezuela
Vietnam
Yemen
Yugoslavia

Drawings:

WPG-48 Tampa
WPG-52 Tallapoosa
WPG-75 Algonquin
WPG-76 Comanche
WPG-77 Escanaba
WPG-78 Mohawk
WPG-79 Onondaga
WPG-80 Tahoma
WSC-145 Marion
WTGB-101 Katmai Bay 1979
WTGB-101 Katmai Bay 2015
WTGB-103 Mobile Bay
WTR-885 Tanager
X-15
X-37B OTV
X1
X6
Xebec
Xia Zhi Yuan 6
Xiang Yun Kou
XMAS
Xue Long
Y1 1885
Y1 1888
Y2 Papanikolis