MSNBCW The Rachel Maddow Show January 7, 2014
0 was, in fact, taken offline after 30 yards of hard duty. being a heavy duty ice breaker is really hard work. the ships cant last forever. and so at the end of its expected 30 years, in 2006, the "polar star" was not moth balled exactly, but they stopped deploying it. it basically retired as a ship. four years into that retirement, though, in 2010, the only other ship that the coast guard had with that same capacity broke down. that one was the same vintage, a sister ship. it broke down in 2010...
Source: archive.org