Coast Guard Polar Security Cutter (Polar Icebreaker) Program: Background and Issues for Congress [Updated August 7, 2019] [open pdf - 2MB]
From the Summary: "The Coast Guard Polar Security Cutter (PSC) program is a program to acquire three new heavy polar icebreakers, to be followed years from now by the acquisition of up to three new medium polar icebreakers. The Coast Guard estimates the total procurement costs of the three heavy polar icebreakers as $1,039 million (i.e., about $1.0 billion) for the first ship, $792 million for the second ship, and $788 million for the third ship, for a combined estimated cost of $2,619 million (i.e., about $2.6 billion). Within those figures, the shipbuilder's portion of the total procurement cost is $746 million for the first ship, $544 million for the second ship, and $535 million for the third ship, for a combined estimated shipbuilder's cost of $1,825 million (i.e., about $1.8 billion)."
CRS Report for Congress, RL34391
Congressional Research Service: https://crsreports.congress.gov/