Indian Navy marine commandos demonstrate their skills in rescue operations during Navy Day celebrations in Mumbai, India on Tuesday, December 4, 2018. Navy Day commemorates the Indian Navy's attack on Karachi Harbor during the Indo-Pakistan War in 1971. [Photo: IC]"

Indian Navy marine commandos demonstrate their skills in rescue operations during Navy Day celebrations in Mumbai, India on Tuesday, December 4, 2018. Navy Day commemorates the Indian Navy's attack on Karachi Harbor during the Indo-Pakistan War in 1971. [Photo: IC]"

Indian Navy marine commandos demonstrate their skills in rescue operations during Navy Day celebrations in Mumbai, India on Tuesday, December 4, 2018. Navy Day commemorates the Indian Navy's attack on Karachi Harbor during the Indo-Pakistan War in 1971. [Photo: IC]"

Indian Navy marine commandos demonstrate their skills in rescue operations during Navy Day celebrations in Mumbai, India on Tuesday, December 4, 2018. Navy Day commemorates the Indian Navy's attack on Karachi Harbor during the Indo-Pakistan War in 1971. [Photo: IC]"