| NAPALM | Incendiary mix devised by the US military (6) |
| GREEK | (& 26-across) Incendiary mix used in Byzantine era (5,4) |
| RIDDLE | Puzzle, free, originally devised by the French (6) |
| ARMADA | A drama devised by the King of Spain showed up on some channel (6) |
| AGENTORANGE | Toxic herbicide that was sprayed from the air by the US military during the Vietnam War (5,6) |
| BERETTA | Manufacturer of the M9 pistol, used by the US military |
| GERONIMO | Apache chieftain captured by the US military in 1886 (8) |
| FELDENKRAISMETHOD | Exercise system devised by the eponymous nuclear physicist (11,6) |
| STANDINGORDERS | Sir, dangers don't change, they're devised by the military |
| TENCOMMANDMENTS | The type of tablets that were once crushed for prescriptions devised by the man upstairs (3,12) |
| BREADTH | Measure devised by the Bard |
| RIDDLES | Puzzles, free, originally devised by the French |
| KORFBALL | Team game devised by the Dutch schoolteacher Nico Broekhuysen (8) |
| IDEALHOME | Exhibition devised by the Daily Mail, first held at Olympia in 1908 (5,4) |
| JIGSAW | First devised by cartographer John Spilsbury in the 18th century, short word for a type of puzzle assembled by a dissectologist (6) |
| LEGACY | Something devised by many in the French camp (6) |
| GALLUP | Opinion poll devised by US statistician (6) |
| SEAMAN | A means devised by one of the crew (6) |
| OCTANS | Faint constellation devised by French astronomer Nicolas Louis de Lacaille in 1752; location of Polaris Australis, the southern pole star (6) |
| USEFUL | Practical fuse devised by university student (6) |
