- 1936 - enrolls in Military College
- September, 1938 - graduates from Military College. Rank: Lieutenant Assigned to the Aviation Regiment.
- June 1941 (Soviet Occupation) - arrested and deported to Siberia.
- After a number of years in Siberia, Kohs is permitted to return to Latvia.
- Bruvelis, Edvins Latvijas Aviacijas Vesture
- Kadets No.8, 1979.
- Kadets No.22, 1995.
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