ARCHIVE // US // TIME-SERIES
Transportation - note
United States — 2 years of data
Historical Values
| Year | Value |
|---|---|
| 2022 | 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 - yea |
| 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 - yea |