22nd Sapper Battalion (Russian Empire)

The 22nd Sapper Battalion (22-й саперный батальон) was a sapper regiment and later battalion of the Imperial Russian Army that participated in World War I.

History
The 22nd Sapper Battalion was formed on 27 August 1894, then known as the 1st Reserve Sapper Battalion, from the following units: By 1904 the sapper corps were expanded, the regiment let a cadre unit form the new 5th East Siberian Sapper Battalion but was later cancelled this new regiment and formed a new company within the regiment. By 1904 the engineer corps were reorganised and the regiment consisted of the following: By 1905 the battalion was duplicated and two sapper companies were separated to form the 3rd Reserve Sapper Battalion and one company formed the 4th Reserve Sapper Battalion. In 1910 the battalion was renamed as the 22nd Sapper Battalion. Just before mobilisation, the battalion was stationed in the town of Helsingfors under the direct command of the 22nd Army Corps. Upon mobilisation in 1914 for World War I, the battalion was renamed as the 22nd Sapper Regiment and expanded to two battalions and one support half-battalion.
 * 2nd Company of 1st Sapper Battalion
 * Company from 1st Caucasian Sapper Battalion
 * Battalion Headquarters under Colonel Konstantin Stepanovich Solonenko
 * Military Telegraph Company
 * 1st Sapper Company
 * 2nd Sapper Company
 * 3rd Sapper Company

Sapper Battalion
During World War I a sapper battalion had the following structure: Under their war organisation, the companies were split for the following: During war, each battalion would form a small cadre that would form a engineer park from reservist, and would be attached to the corps headquarters.
 * Battalion Headquarters (Under Colonel)
 * Telegraph Company (Under Captain)
 * 1st Sapper Company (Under Captain)
 * 2nd Sapper Company (Under Captain)
 * 3rd Sapper Company (Under Captain)
 * Searchlight Section
 * 1st and 2nd Sapper Companies - Light Bridging, assigned to each Infantry Division (1 For Each)
 * Headquarters, Telegraph Company, 3rd Sapper Company, and Searchlight Section - Army Corps Troops

Commanders
Commanders of the regiment included:
 * Colonel Fedor Grigorievich Shadrin
 * Colonel Onufry Ignatievich Svolken
 * Colonel Ivan Vasilyevich Pestov