What logistic support did the two sides have?
Langsdorff had a supply ship Altmark which carried provisions, ammunition and diesel fuel. She acted as a prison ship for captured crews although was not equipped for this purpose.
The British force had fuel oil available at the Falkland Islands but otherwise had to rely on refuelling from tankers in sheltered waters except when paying their infrequent visits to South American ports - once in three months only were allowed to each country.
The nearest ammunition stocks were in South Africa.
The Falkland Islands provided a secure anchorage where ships could undertake periodic maintenance routines but had no dockyard facilities.