Though serving as IRO's primary undersea rescue craft, more specialised operations may require the use of Thunderbirds 13 and 14, both of which are permanently stored in Thunderbird 4's cargo hold.
Though serving as IRO's primary undersea rescue craft, more specialised operations may require the use of Thunderbirds 13 and 14, both of which are permanently stored in Thunderbird 4's cargo hold.
Though serving as IRO's primary undersea rescue craft, more specialised operations may require the use of Thunderbirds 13 and 14, both of which are permanently stored in Thunderbird 4's cargo hold.