0 (unknown)        Sponsor not known                
  1 US, unknown svc  Known to be US, agency unknown   
  2 US Privateer     Private but government contract
  3 (not US)         Known to be not US               
  4 (indep./pirate)  Independent warship or pirate    
  5 (not used)                                       
  6 Masssachusetts   Mass. Navy, 1775-1782            
  7 Pennsylvania     Penn. Navy, 1775-1782            
  8 South Carolina   SCarolina Navy, 1775-1782        
  9 (not used)                                       
 10 Continental Navy 1775-1785                        
 11 US Revenue Svc.  1790-1915, to USCG               
 12 US Lthouse Svc   1789-1939, to USCG               
 13 US Coastal & GS  USCS 1807-1878, to NOAA 1970     
 14 Rep. of Texas    1836-1846                        
 15 Confederate Navy 1861-1865                        
 16 (not used)                                       
 17 (not used)                                       
 18 (not used)                                       
 19 (not used)                                       
 20 US Navy          1794+                            
 21 US NOTS/MSTS/MSC NOTS '18-19, MSTS '49, MSC '70+   
 22 US Coast Guard   1915+, from Revenue Cutter Svc   
 23 US Army/ATS/CoE                                  
 24 US Air Force     1947+, separated from Army       
 25 US NOAA          1970+, C&GS+Fisheries+Weather    
 26 US NASA          1958+, from NACA                 
 27 US (various)     EPA, NSF, USPS, etc              
 28 State Militias                                   
 29 State Civil Svc                                  
 30 Built for Sale   Built by US for foreign sales    
 31 Albania                                          
 32 Algeria          Modern Algeria only, 1950+       
 33 Angola
 34 Argentina        1816+                            
 35 Australia        1901+                            
 36 Austro-Hung. Emp                                 
 37 Azerbaijan       Caspian Sea
 38 Bahamas                                          
 39 Bangladesh                                       
 40 Barbary States   North Africa until ~1950         
 41 Belgium                                          
 42 Belize
 43 Benin
 44 Bolivia          1825 to when?                            
 45 Brazil           1822+                            
 46 Bulgaria                                         
 47 Burma/Myanmar    1948+, to Myanmar 1989           
 48 Byzantine Emp.   Or ERE, 285 AD - 1453 AD         
 49 Cambodia
 50 Cameroon
 51 Canada           1867+                            
 52 Caribbean Isl.   Many small countries
 53 Chile            1810+                            
 54 China                                            
 55 Colombia                                         
 56 Congo            Republic of the Congo
 57 Cote d'Ivoire    Ivory Coast
 58 Costa Rica
 59 Croatia
 60 Cuba             1902+                            
 61 Denmark                                          
 62 Djibouti
 63 Dominican Rep.                                   
 64 Ecuador          1830+                            
 65 Egypt                                            
 66 El Salvador
 67 England/UK       England <1707> UK                
 68 Eritrea
 69 Estonia                                          
 70 Ethiopia                                         
 71 Finland                                          
 72 France                                           
 73 Gambia
 74 Germany                                          
 75 Germany, East                                    
 76 Georgia                                          
 77 Ghana
 78 Greece                                           
 79 Guatemala
 80 Guinea
 81 Guinea-Bissau
 82 Iceland          1944+                            
 83 India            1947+                            
 84 Indonesia                                        
 85 Iran/Persia                                      
 86 Iraq                                             
 87 Ireland                                          
 88 Israel           1948+                            
 89 Italy            1861+                            
 90 Japan                                            
 91 Kazakhstan
 92 Kenya
 93 Korea, North
 94 Korea, South
 95 Kuwait
 96 Latvia                                           
 97 Lebanon
 98 Liberia                                          
 99 Libya
100 Lithuania
101 Malaysia
102 Malta                                            
103 Madagascar
104 Mauritania
105 Mexico                                           
106 Morocco          Use Barbary States < 1950        
107 Mozambique
108 Namibia
109 Netherlands                                      
110 New Zealand      1907+                            
111 Nicaragua
112 Nigeria
113 Norse/Viking
114 Norway                                           
115 Oman                                             
116 Pacific Isles    Independent islands
117 Pakistan         Independent in 1947              
118 Panama           1903+                            
119 PapuaNewGuinea
120 Paraguay         1811+                            
121 Peru             1821+                            
122 Philippine Isl.
123 Poland
124 Portugal                                         
125 Roman Empire     until 476 AD                     
126 Romania                                          
127 Russia                                           
128 Saudi Arabia
129 Scotland         Until 1707 then part of UK    
130 Senegal
131 Sierra Leone
132 Singapore                                        
133 Somalia
134 South Africa     1910+                            
135 Spain                                            
136 Sweden                                           
137 Syria
138 Taiwan           Rep. of China
139 Tanzania         ?? + Zanzibar when?
140 Thailand
141 Togo
142 Tunisia          After ~1950                      
143 Turkmenistan     Caspian Sea
144 Ukraine                                          
145 UAE              United Arab Emirates
146 Uruguay          1825+                            
147 Venezuela        1830+                            
148 Vietnam          Both N and S Vietnam             
149 Yemen