Rank | Abbreviation | Meaning |
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***** | USCAR | United States Civil Administration of the Ryukyu Islands
| |
***** | USCAR | United States Civil Administration of the Ryukyu
| |
***** | USCAR | United States Council for Automotive Research's
| |
***** | USCAR | Unlimited Stock Car Automobile Racing
| |
***** | USCAR | United States Council on Automotive Research
| |
***** | USCAR | United States Council for Automobile Research
| |
**** | USCAR | Unlimited Sock Car Automobile Racing
| |
**** | USCAR | U S Consortium for Automotive Research
| |
**** | USCAR | U S Council on Automotive Research
| |