In 1937, after the full-scale War of Resistance Against Japan broke out, the main force of the Red Army was reorganized into the Eighth Route Army佳禾资本, comprising a total of three divisions.
Among these three divisions, the 115th Division, formed primarily from the original Red First Army, was the strongest, boasting a total force of 15,500 personnel. It's noteworthy that at that time, the standard infantry division of the Eighth Route Army was composed of 14,000 troops.
The 120th Division exactly matched this standard with 14,000 troops, while the 129th Division had 1,000 fewer troops. In contrast, the 115th Division exceeded the standard by 1,500 troops.
展开剩余88%In terms of specific organizational structure, both the 120th and 129th Divisions were based on a formation of two regiments and four battalions, with an additional instructional regiment and five directly affiliated companies.
However, the structure of the 115th Division was quite distinctive. While it also adhered to the two-regiment, four-battalion formation, it included an independently organized regiment adapted from the Red First Division. This regiment marked the first independent unit in the history of the Eighth Route Army.
This regiment, being an additional unit, did not receive significant reinforcements during its formation, resulting in a total strength of just over 1,700 personnel—a notable aspect worth attention.
Consequently, the 115th Division consisted of five combat regiments, while the 120th and 129th Divisions together totaled eight combat regiments. However, due to two regiments being retained for garrison duty, only six combat regiments were deployed to the frontlines.
The 115th Division, with the strength of just one division, approached the combined combat strength of the other two divisions.
Beyond the five combat regiments mentioned earlier, the 115th Division also included other units. Similar to the 120th and 129th Divisions, which had instructional regiments, the 115th Division had units referred to as instructional squads or even instructional battalions.
In addition to these instructional battalions, the 115th Division had directly affiliated companies under its divisional headquarters. However, due to the inclusion of an independent regiment, the number of directly affiliated companies in the 115th Division was fewer compared to those in the 120th and 129th Divisions, totaling only three.
Among these three directly affiliated companies, the 2nd Cavalry Regiment was transformed into the division's direct cavalry company. On the other hand, the Red 74th Division was reorganized into an artillery company and a logistics company.
However, only the cavalry company among these three directly affiliated companies was true to its designation, serving as an authentic cavalry unit. In contrast, the artillery company and logistics company were essentially infantry units, as they neither possessed artillery nor undertook logistical tasks. This was indicative of the overall situation within the Red 74th Division.
Among the units actually deployed to the frontlines, only the cavalry company accompanied the main force of the division in its eastern advance. The other two companies remained stationed in Shaanxi-Gansu-Ningxia, later being reorganized into a guard regiment—an episode to be discussed later.
Hence, with a total force of 15,500 troops, the 115th Division effectively deployed approximately 14,000 troops, comprising two regiments, five combat regiments, instructional squads, and a cavalry company. Due to its superior force size, better-equipped arsenal, and more substantial operational responsibilities, the 115th Division undertook heavier tasks during the War of Resistance.
For instance, the division's direct cavalry company and independent regiment, shortly after the Battle of Pingxingguan, \"stood on their own feet,\" becoming the absolute backbone during the establishment of the Jin-Cha-Ji Military Region.
Of course, with a total force of just over 2,000 people, plus instructional cadres provided by the divisional headquarters, individual companies, and sister units, the original backbone of the Jin-Cha-Ji Military Region consisted of no more than 3,000 people.
Among the other units of the 115th Division, the 343rd Regiment and the 344th Regiment essentially operated separately. The 344th Regiment, shortly after the Battle of Pingxingguan, headed to western Hebei, later moving on to southeastern Shanxi, and was under the command of the Eighth Route Army Headquarters for an extended period, cooperating with the 129th Division.
Later, the Eighth Route Army managed Jin-Lu-Yu, continuing southward. Ultimately, it became the main force of the 3rd Division of the New Fourth Army, primarily comprising troops from the 344th Regiment.
Of course, within the 3rd Division of the New Fourth Army, there was also an old unit from the 115th Division of the Eighth Route Army—the main force of the 685th Regiment, later renamed the Su-Lu-Yu Detachment after heading south.
Meanwhile佳禾资本, another part of the 685th Regiment, formed independently shortly after the Battle of Pingxingguan, operated independently in western Hebei, southeastern Shanxi, Jin-Lu-Yu, and later transferred to Jin-Lu-Yu.
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