Perhaps one ship was stuck in sea ice and the other helped it along? It looks like the extent of the ice ends about the same place those two ships separate over

Perhaps one ship was stuck in sea ice and the other helped it along? It looks like the extent of the ice ends about the same place those two ships separate over Siberia[1] [1]http://nsidc.org/arcticseaicenews/2012/12/ http://nsidc.org/arcticseaicenews/2012/12/