| ALUSNA |
- |
U.S. Naval Attache |
| ALUSLO |
- |
U.S. Naval Liaison Officer |
| ALUSNOB |
- |
U.S. Naval Observer |
| AMCON |
- |
American Consul |
| AS |
- |
U.S. to West African Ports |
| AT |
- |
U.S. to U.K. (Military) |
| BAD |
- |
British Admiralty Delegation |
| BAMS |
- |
Broadcast to Allied Merchant Ships |
| BC |
- |
U.S. East Coast to Society Islands |
| BT |
- |
Bahia to Trinidad |
| BUSRA |
- |
British-United States Routing Agreement |
| BX |
- |
Boston to Halifax |
| C |
- |
Confidential dispatch |
| C&R |
- |
Convoy and Routing Section, Headquarters of the Commander in Chief, United States Fleet and Commander, Tenth Fleet |
| CINCMED |
- |
Commander in Chief, Mediterranean |
| CINCLANT |
- |
Commander in Chief, United States Atlantic Fleet |
| CINCPAC |
- |
Commander in Chief, United States Pacific Fleet |
| CNO |
- |
Chief of Naval Operations |
| ComEastSeaFron |
- |
Commander, Eastern Sea Frontier |
| ComFourthFleet |
- |
Commander, Fourth Fleet |
| CominCh |
- |
Commander in Chief, United States Fleet (Headquarters) |
| ComNavEu |
- |
Commander, U.S. Naval Forces in Europe |
| ComNavNaw |
- |
Commander, U.S. Naval Forces, Northwest African Waters |
| ComPaSeaFron |
- |
Commander, Panama Sea Frontier |
| ComSoLant |
- |
Commander, South Atlantic Force |
| ComTenthFlt (C&R) |
- |
Commander, Teth Fleet, Convoy and Routing Section |
| ComWesSeaFron |
- |
Commander, Western Sea Frontier |
| CSA |
- |
Consular Shipping Adviser |
| CU |
- |
New York to Netherlands West Indies |
| CU |
- |
New York to U.K. |
| EASTOMP |
- |
Eastern Ocean Meeting Point |
| GAT |
- |
Guantanamo to Aruba and Trinidad |
| GK |
- |
Guantanamo to Key West |
| GM |
- |
Galveston to Mississippi River |
| GN |
- |
Guantanamo to New York |
| GP |
- |
Galveston to Pilottown |
| GS |
- |
Greenland to St. Johns, N.F., (or Sydney) |
| GZ |
- |
Guantanamo to Panama Canal Zone |
| HHX |
- |
Halifax Joiner to HX Convoy |
| HK |
- |
Galveston to Key West |
| HOMP |
- |
Halifax Ocean Meeting Point |
| HX |
- |
New York to U.K. |
| HXF |
- |
New York to Liverpool, Fast |
| HXM |
- |
New York to Liverpool, Medium |
| HXS |
- |
New York to Liverpool, Slow |
| ICOMP |
- |
Iceland Ocean Meeting Point |
| JT |
- |
Rio de Janiero to Trinidad |
| KG |
- |
Key West to Guantanamo |
| KH |
- |
Key West to Galveston |
| KM |
- |
U.K. to Mediterranean |
| KN |
- |
Key West to New York (also Key West to Norfolk) |
| KS |
- |
Norfolk to Key West |
| LW |
- |
U.S. East Coast to South West Pacific (Lone Wolf) |
| MERCO |
- |
Merchant Control System |