Coast Guard heavy polar icebreaker Polar Star (foreground) shown cutting a channel in the Ross Sea as part of Operation Deep Freeze 2017. Photo: Chief Petty Officer David Mosley
The Coast Guard’s plans to acquire and take delivery of a new heavy polar icebreaker by 2023 are “highly optimistic” and not based on realistic schedule targets, a government auditor said on Tuesday.The Coast Guard’s continued focus on short-term acquisition…