underground launcher meaning in Hindi

Examples

1. To protect the missiles against a pre-emptive strike while being fuelled, the idea of siting the missiles in underground launchers was developed.
2. Development of the underground launchers presented a major technical challenge . 1 / 60th and 1 / 6th scale models based on a  U shaped design were constructed and tested at RPE Westcott.
3. However, finding sites for these silos proved extremely difficult and RAF Spadeadam in Cumberland ( now Cumbria ) was the only site where construction was started on a full scale underground launcher, although test borings were undertaken at a number of other locations.