Once again, Canada's fleet of coast guard vessels is showing its age. This is what caused the delay," coast guard spokesperson Vance Chow said in an e-mail to CBC News. Replacement ship is also out of commissionA second coast guard ship, the Teleost, was expected to fill in, sources tell CBC News. The Canadian Coast Guard Ship Hudson returned to Halifax in November nearly six months behind schedule, after a $4-million refit. The coast guard has never explained what caused the delay.

Source: CBC News March 16, 2018 07:52 UTC