October 29, 1962
Chief of Staff, 2nd Bulgarian Army, Order Regarding Raising Army Air Defense Combat Readiness
The commander of the Bulgarian 2nd Army, Colonel Alexiev, issued the order to prepare the Army's air defense for combat. Alexiev cites order N 00190/25.10.1962 issued four days prior to justify the heightened defense alert. The order includes six commands related to combat preparation and instructions for anti-aircraft units.