U.S.S. Atka stands in McMurdo Sound to keep the channel open for Operation Deep Freeze supply ships and the evacuation of the last summer residents; ca. 1965.
This reminds me of “At the Mountains of Madness”
“I could not help feeling that they were evil things– mountains of madness whose farther slopes looked out over some accursed ultimate abyss. That seething , half-luminous cloud-background held ineffable suggestions of a vague, ethereal beyondness far more than terrestrially spatial; and gave appalling reminders of the utter remoteness, separateness, desolation, and aeon-long death of this untrodden and unfathomed austral world.”