Maria I of Portugal forced Portugal to cede Olivença and other border towns to Spain. (This cession is not recognized by the present Portuguese government, and the country officially considers those territories still to be Portuguese possessions.) On September 29, 1801 John VI signed the Treaty of Madrid (1801), ceding half of Guyana to France, which became French Guiana. The refusal of the Portuguese government to join the French-sponsored Continental Blockade against Britain culminated in the late 1807 Franco-Spanish invasion of Portugal led by General Junot. The ultimate Napoleonic plan for Portugal was to split it into three sections. The northern parts of Portugal,
Border Force also have their identification number displayed. The rank and epaulette styling is in line with many other border agencies and shares close similarities with its Australian counterpart, the Australian Border Force. All vessels of the Border Force bear the ship prefix "HMC"—Her Majesty's Cutter. Between May and October 2015 two of the vessels, HMC "Protector" and HMC "Seeker", were deployed in the Mediterranean conducting search and rescue operations. The Border Force also has a recently chartered vessel named MV "VOS Grace". More Vessels are to be commissioned in 2017. Border Force Border Force is a part of the Home Office,