Secret War in Portugal [1939-1945]
For SOE [British Special Operation Executive] 24 Land was the code name for Portugal

Armindo Monteiro and the APS

Autumn 1942: Portuguese Ambassador in London, Professor Armindo Monteiro and former British Ambassador in Portugal [1929-1931], Sir Francis Lindley. The first lectures in London during an Anglo Portuguese Socitey meeting. BBC radiocasts the speech. [source O Mundo Gráfico, here]