 Complete the following phrase:  Peyron attended the Royal Swedish Army Staff College from 1910 to 1912, was an aspirant in the General Staff from 1913 to 1915 and was appointed captain of the General Staff 1917. He returned the same year as ryttmästare to the Life Regiment Dragoons. Peyron, who had left the Swedish Army in 1918, took part in the Finnish Civil War as a General Staff officer at headquarters. He participated there, among other things, to the plans of the 