| TONYSALE | He led the team that completed the rebuild of the iconic Colossus computer in 2008. (4,4) |
| COLUMBIA | Nasa orbiter that completed the first flight of the Space Shuttle program in 1981 (8) |
| LOVELL | Bernard -; physicist who led the team that built the 250 ft radio telescope at Jodrell Bank Observatory in the 1950s (6) |
| WREN | Architect who planned the rebuild of St Paul's Cathedral after its destruction in the Great Fire of London (4) |
| FOUR | Stopping sewage spills from Nahoon suburb into the sea at Nahoon beach will mean a rebuild of the pipe along Nahoon River. This will take "up to ... years". (4) |
| TESLASEMI | Electric truck that completed a 500-mile test haul in November 2022 |
| MEE | Bertie ___, Arsenal manager between 1966 and 1976 who led the team to their first Double win (3) |
| GOLDEN | Left like Aberdeen, where 12Ac led the team (6) |
| OKCORRAL | The site of the iconic Wyatt Earp gunfight in Tombstone, Arizona (1,1,6) |
| SERVICES | The team that topped the medal's tally at the recent National Games. (8) |
| ORELLANA | Francisco de ?, 16th-century Spanish explorer who completed the first known navigation of the entire length of the Amazon River |
| AMUNDSEN | Explorer who completed the first traverse of the Northwest Passage solely by ship, in 1906 |
| MAGELLAN | Portuguese explorer who died before one remaining ship from his fleet completed the first voyage round the world in 1519-22 (8) |
| WARNE | Named one of the cricketers of the 20th century, he led the Royals to their only title in 2008 |
| TONYHAWK | Legendary skateboarder who completed the first recorded 900: 2 wds. |
| RESOLVED | Determined, completed the Toughie again? (8) |
| FINISHED | Completed, the assignment |
| ITISDONE | "I have completed the task!" |
| ATTILA | Called the Scourge of God, he led the Huns across Europe in the fifth century, ... the Hun |
| BOYNE | The Battle of the - in 1690 completed the overthrow of the Stuart cause in Ireland (5) |