 On 2 September 1918 the Revolutionary Military Council (RMC) was established as the main military administration under Leon Trotsky, the Narkom of War Affairs.On 6 September 1918 alongside the chief headquarters the Field Headquarters of RMC was created, initially headed by Nikolai Rattel.On the same day the office of the Commander-in-Chief of the Armed Forces was created, and initially assigned to Jukums Vācietis (and from July 1919 to Sergey Kamenev).