there was a pisces three submarine lost off southern ireland there was a pisces three submarine lost off southern ireland in - there was a pisces three submarine lost off southern ireland in 1973, i lost off southern ireland in 1973, the bbc lost off southern ireland in 1973, the bbc has lost off southern ireland in 1973, the bbc has archives lost off southern ireland in 1973, the bbc has archives of- lost off southern ireland in 1973, the bbc has archives of this, i lost off southern ireland in 1973, l the bbc has archives of this, they were the bbc has archives of this, they were at the bbc has archives of this, they were at depths the bbc has archives of this, they were at depths of the bbc has archives of this, they were at depths of 480 the bbc has archives of this, they were at depths of 480 metres. i the bbc has archives of this, they. were at depths of 480 metres. the deepest were at depths of 480 metres. the deepest rescue were at depths of 480 metres. the