The CIA World Factbook Every edition, 2022 to 2023 North America

Transportation - note United States, in 2 editions.

The entry for United States published Transportation - note in 2 editions of 36, from 2022 to 2023. The text never changed. Each is shown as published. Transportation - note in every entry.

editions changed the text
0
the first edition with it
2022
the latest edition with it
2023

Published as “Transportation - note” (2022 to 2023).

field in that editiontext changed from the edition beforenot in that editionthe edition shownChoose an edition on the strip beside the text, or step through them with the arrows. Mark changes compares it with the edition before: the marks are ours, words added and words removed.

2023

Same as 2022
Mark changes

Open the 2023 entry

The same text in 2022 and 2023.

  • the US operates one PC 1 or 2 class heavy icebreaker, two PC 3 or 4 class medium icebreakers, and two PC 5 or 6 class light icebreakers;
  • the heavy and medium icebreakers carry out various polar missions including opening passage for the annual resupply of McMurdo Station in Antarctica
note - PC indicates a Polar Class vessel:
  • PC 1 - year-round operation in all polar waters (ice thickness >3 m);
  • PC 2 - year-round operation in moderate multi-year ice conditions (ice thickness up to 3 m);
  • PC 3 - year-round operation in second-year ice which may include multi-year ice inclusions (ice thickness up to 2.5 m);
  • PC 4 - year-round operation in thick first-year ice which may include old ice inclusions (ice thickness up to 120 cm);
  • PC 5 - year-round operation in medium first-year ice which may include old ice inclusions (ice thickness up to 70-120 cm);
  • PC 6 - summer/autumn operation in medium first-year ice which may include old ice inclusions (ice thickness up to 30-70 cm)

the US operates one PC 1 or 2 class heavy icebreaker, two PC 3 or 4 class medium icebreakers, and two PC 5 or 6 class light icebreakers; the heavy and medium icebreakers carry out various polar missions including opening passage for the annual resupply of McMurdo Station in Antarctica
note - PC indicates a Polar Class vessel: PC 1 - year-round operation in all polar waters (ice thickness >3 m); PC 2 - year-round operation in moderate multi-year ice conditions (ice thickness up to 3 m); PC 3 - year-round operation in second-year ice which may include multi-year ice inclusions (ice thickness up to 2.5 m); PC 4 - year-round operation in thick first-year ice which may include old ice inclusions (ice thickness up to 120 cm); PC 5 - year-round operation in medium first-year ice which may include old ice inclusions (ice thickness up to 70-120 cm); PC 6 - summer/autumn operation in medium first-year ice which may include old ice inclusions (ice thickness up to 30-70 cm)

Central Intelligence Agency. “United States: Transportation - note.” The World Factbook, 2022–2023 editions. Archived by The Factbook, thefactbook.org/united-states/transportation-note.

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