 Lesser known than the Italian actions were the sabotage operations and limpet @-@ mine attacks carried out by Spanish and Gibraltarian agents recruited in the Campo de Gibraltar by the Germans . The Abwehr contacted a Spanish staff officer from Campo de Gibraltar , Lieutenant Colonel <unk> Sánchez Rubio , a Spanish officer , member of the Falange and coordinator of the intelligence operations in the Campo , to establish a network of saboteurs with access to Gibraltar . Sánchez Rubio designated Emilio Plazas <unk> , also a member of Falange , as operations chief of the organisation . Most of the recruits for the sabotage operations were Spaniards from the Campo . A combination of financial reward , ideological commitment and some threats and intimidation were used to gather a significant number of agents . According to the British intelligence , there were at least 183 Spaniards and Gibraltarians involved in the espionage and sabotage operations against Gibraltar . 
