Mercenary occupation of Iraq and the consequences of the mercenary soldier sponsorship case against Mark Thatcher for the "possible funding and logistical assistance in relation to an alleged attempted coup in Equatorial Guinea" organized by Simon Mann. In the United Kingdom, the Foreign Enlistment Act 1819 and the Foreign Enlistment Act 1870 makes it unlawful for British subjects to join the armed forces of any state warring with another state at peace with Britain. In the Greek War of Independence, British volunteers fought with the Greek rebels, which could have been unlawful; it was unclear whether or not the Greek rebels
2004 Equatorial Guinea coup d'état attempt that the Foreign and Commonwealth Office did investigate if there were any British companies involved in the plot after receiving confidential reports, but failed to find any evidence. British officials, and Jack Straw, were forced to apologise to "The Observer" after categorically denying they had prior knowledge of the coup plot. President Obiang accused the Spanish government of supporting the plot. The allegation could explain the coincidental position of two Spanish warships off the coast of Equatorial Guinea, at the time of the arrests of the alleged plotters. Miguel Mifuno, special adviser to Equatorial Guinea's president, accused the Spanish government