| OAKRIDGE | City in Tennessee established in 1942 as a production site for the Manhattan Project |
| BUSH | Which US president earlier joined the US Navy in 1942 as its youngest pilot? (4) |
| OXFAM | UK-based global charity established in 1942 (5) |
| CHANSONDAMOUR | 1977 No 1 hit for the Manhattan Transfer |
| END | Wrap up, as a production |
| STAGE | Put on, as a production |
| ARDENNES | Belgian forest region known as the site for the WWII offensive, the Battle of the Bulge |
| MAKEABOMB | What the Manhattan Project did to turn a large profit |
| ATOMBOMB | The first one was built under the Manhattan Project at Los Alamos, New Mexico (4,4) |
| MEMPHIS | City in Tennessee... or the first capital city of ancient Egypt |
| ROTBLAT | Sir Joseph ___, Nobel Peace Prize-winner who was the only physicist to leave the Manhattan Project on grounds of conscience |
| ALAMOS | Los ___ (site of the Manhattan Project) |
| CAMP | Meaning "field, level ground", word originally for an open area for military exercises, later a site for the huts and tents of soldiers or travellers (4) |
| ROBERTOPPENHEIMER | American physicist and director of the Manhattan Project (6,11) |
| SEAEAGLE | Fish-eating bird - Mull, off the coast of Scotland, is a renowned breeding site for the endangered c |
| GALASHIELS | Town which will be the permanent site for The Great Tapestry of Scotland in 2021 (10) |
| OMAHA | Codename for one of the Normandy landing sites for the Allies on D-Day in WWII (5) |
| CLARKSVILLE | City in Tennessee, US, home to the Austin Peay State University |
| NASHVILLE | City in Tennessee that is home of the Grand Ole Opry (9) |
| DAIRYFARM | Mary afraid strangely to leave a milk production site (5,4) |
