| countermeasures warning and control system(noun, expression, technology, system, warning) |
| deep space alert warning system(noun, expression, technology, system, warning) |
| defense indications and warning system(noun, expression, technology, system, warning) |
| denge(noun, expression, technology, entity, system) |
| deviation warning system(noun, expression, technology, system, warning) |
| disaster warning system(noun, expression, technology, system, warning) |
| disaster warning system service(noun, expression, technology, system, warning) |
| distance warning system(noun, expression, technology, system, warning) |
| distant early-warning system(noun, expression, technology, system, warning) |
| domestic canary(noun, expression, technology, entity, system) |
| door warning system(noun, expression, technology, system, warning) |
| duga-three(noun, technology, entity, system, warning) |
| early-warning and target identification system(noun, expression, technology, system, warning) |
| early-warning satellite system(noun, expression, technology, system, warning) |
| early-warning system(noun, expression, technology, system, warning) |
| early warning and monitoring system(noun, expression, technology, system, warning) |
| early warning detection system(noun, expression, technology, system, warning) |
| early warning radar system(noun, expression, technology, system, warning) |
| early warning radar systems jamming(noun, expression, technology, system, warning) |
| early warning satellite system(noun, expression, technology, system, warning) |