| Answer | Crossword Clue |
|---|---|
| YEAGER | 1947 sound-barrier breaker |
| CHUCKYEAGER | 1947 barrier breaker |
| ROBINSON | Barrier breaker of 1947 |
| ROBINSON | Baseball barrier breaker of 1947 |
| SST | Sound barrier breaker |
| SST | Sound barrier breaker: Abbr. |
| YEAGER | Sound barrier breaker Chuck |
| SST | Frequent sound barrier breaker |
| CHUCKYEAGER | First sound-barrier breaker |
| SST | Sound-barrier breaker of yore |
| SST | Sound barrier breaker, for short |
