Keywords: Nathaniel B. Palmer in Barilari Bay.jpg en The polar research ship Nathaniel B Palmer in Barilari Bay Antarctic Peninsula being a part of the U S Antarctic Program USAP The icebreaker was on a two-month science expedition to the Larsen B Embayment which was occupied for 10 000 years until 2002 by an ice shelf 23 January 2010 2010-01-23 http //www nsf gov/news/mmg/mmg_disp jsp med_id 68352 from Adam Jenkins National Science Foundation PD-USGov-NSF PD-USGov cc-by-sa-4 0 Uploaded with UploadWizard Nathaniel B Palmer ship 1992 Icebreakers of the United States Research ships of the United States |