In 1941 John Beevor, the head of Special Operations Executive (SOE) in Lisbon, established an underground network with the aim of carrying out sabotage tasks in the event of a German and/or Spanish invasion of Portugal. The targets for immediate destruction were oil refineries, railroads, bridges and industrial and mining facilities. The Portuguese police discovered that Beevor's network included several "anti-Salazar" Portuguese members, which irked the Portuguese authorities.
In 1941 John Beevor, the head of Special Operations Executive (SOE) in Lisbon, established an underground resistance movement with the intention of sabotaging German and/or Spanish forces in Portugal. The primary targets for destruction were oil refineries, railroads, bridges, and industrial and mining facilities. However, the Portuguese police discovered that Beevor's network included several "anti-Salazar" Portuguese members, which created a diplomatic incident.