| Civilian frogmen from Furness began a search almost immediately and a salvage team was called from Barrow. |
| The popular image of SEALs is as frogmen, stealthy Navy commandos who operate from the sea. |
| Their sleek build enabled them to sail under large vessels so that frogmen could plant limpet mines on their hulls. |
| You're seen shots of guards and soldiers, and gunboats and frogmen patrolling the harbors. |
| The disappearance sparked a huge search involving police frogmen and dog section, and a helicopter from West Yorkshire Police. |
| The charioteers were crack units of specially-trained frogmen who sat astride a 30 ft-long torpedo which they steered into enemy harbours. |
