| bomb alarm system(noun, expression, technology, entity, system) |
| chain home(noun, expression, technology, entity, system) |
| chain home low(noun, expression, technology, entity, system) |
| child abduction alert system(noun, expression, technology, entity, system) |
| dam safety system(noun, expression, technology, entity, system) |
| daryal radar(noun, expression, technology, entity, system) |
| defense support program(noun, expression, technology, entity, system) |
| dnestr radar(noun, expression, technology, entity, system) |
| earthquake warning system(noun, expression, technology, entity, system) |
| famine early warning systems network(noun, expression, technology, entity, system) |
| federal civil defense authority(noun, expression, technology, entity, system) |
| fire alarm system(noun, expression, technology, entity, system) |
| gale warning(noun, expression, technology, entity, system) |
| national severe weather warning service(noun, expression, technology, entity, system) |
| precision acquisition vehicle entry phased array warning system(noun, expression, technology, entity, system) |
| space-based infrared system(noun, expression, technology, entity, system) |
| standard emergency warning signal(noun, expression, technology, entity, system) |
| train protection & warning system(noun, expression, technology, entity, system) |
| radar warning receiver(noun, expression, technology, entity, system) |
| CarWings(noun, expression, technology, entity, system) |