The Norwegian diving platform "Regalia" at the scene of the sunken Kursk submarine in the Arctic Barents Sea on Sunday.
挪威籍的瑞加利亚号潜水平台周日架设在库尔斯克号潜艇所沉没的北冰洋巴伦支海中。
2
It has been observed that the submarine is a "covert and persistent" Intelligence, Surveillance and Reconnaissance (ISR) platform, capable of loitering for long periods close to an enemy.
Designed primarily as an anti - submarine warfare platform , with a long cruising range and underway replenishment capabilities , udaloy class ships provide support to surface task forces.