| Answer | Crossword Clue |
|---|---|
| USN | Serv. branch |
| USAF | Serv. branch |
| USN | Armed-serv. branch |
| USO | Serv. club |
| UPI | News serv. |
| DSO | Serv. medal |
| OBDT | "Yr. .... serv." |
| RFD | Mayberry mail serv. |
| UPI | Noted news serv. |
| UMT | Armed-serv. training |
| USDA | Forest Serv.'s dept. |
| WATS | Bulk-rate phone serv. |
| AOL | Big Internet serv. provider |
| RET | No longer in active serv. |
| GPO | U.S Postal Serv. abbr. |
| ATC | F.A.A. airport serv. |
