Not long before it. At that point, the CIA were drawing up plans and getting anti-Castro supporters together and shit like that. The main operations underway were pamhplet dropping and some air attacks, though those were usually by disgruntled Cuban right-wingers. Castro's communism hadn't been announced yet, though growing ties with the USSR were public knowledge.
Did Che get a photo of Camilo for the cover of the first edition of Guerrilla Warfare?
“There are no boundaries in this struggle to the death. We cannot be indifferent to what happens anywhere in the world, for a victory by any country over imperialism is our victory; just as any country's defeat is a defeat for all of us.” – Che Guevara
“We still believe that the struggle of Ireland for freedom is a part of the world-wide upward movement of the toilers of the earth, and we still believe that the emancipation of the working class carries within it the end of all tyranny – national, political and social.” – James Connolly