Canada’s last destroyer is temporarily sidelined after a series of engine problems and other technical issues on the 43-year-old vessel caused senior navy leaders to worry the ship might not be able to continue operating. HMCS Athabaskan, the flagship of the country’s Atlantic fleet, is undergoing a series of repairs in Halifax, according to Royal Canadian Navy documents leaked to Postmedia. Earlier this year, the ship broke down in Florida because of engine problems. It later broke down in the Caribbean, again because of engine issues. HMCS Athabaskan sailors have contacted Postmedia to point out a litany of problems, including...