The oerlicon canon in position against the ground targets. These swiss made weapons was the main anti armour weapon of Lithuanian army in interwar period. 

Lithuanian army's oerlicon canon

Lithuanian army artilerymen, posing with the german 77 mm 1916 cannon FK 16. 

Lithuanian artilerymen

The Basque town of Guernica after its destruction by aircraft of the German Condor Legion and the Italian Aviazione Legionaria on the orders of the Spanish Nationalist insurgent command.  The air raids took place in the afternoon and early evening of 26 April, 1937 - 73 years ago on this day.  Best regards, JR.