In 1931, the regiment and division in full strength were assigned to the Special Red Banner Far Eastern Army and transferred to the border near the Japanese puppet state of Manchukuo.

In addition, on 4 November 1938, by order of the People's Commissariat of Defense of the Soviet Union Kliment Voroshilov, the most distinguished participants in the battles at Lake Khasan were promoted in military rank and in accordance with this order, Moshlyak was promoted to the military rank of captain.

Having reached Moscow by the end of September, he passed the accelerated program of the graduation course of the Frunze Military Academy.

In April 1942, the brigade became part of the 61st Army of the Bryansk Front and fought defensive battles southwest of the city of Belyov.

He was later promoted to lieutenant colonel and at the end of 1942, as part of the 6th Army of the Southwestern Front, the brigade participated in the Middle Don and Kharkov offensives.

While serving with the division, Moshlyak took part in the Izyum–Barvenkovo, Donbas, Zaporizhzhia, Kirovograd, Uman–Botoșani, Second Jassy–Kishinev, Balaton, Budapest and Vienna offensives.

[9] The division distinguished itself during the liberation of the cities of Starobilsk, Izium, Zvenyhorodka, Bonyhád, Székesfehérvár and Győr.

For its merits in combat, the division was also awarded the Orders of Bogdan Khmelnitsky 2nd class and the Red Banner.

[10][11] From May 1946, he served as deputy commander of the 98th Guards Rifle Division in the Moscow and Far Eastern Military Districts.

From October 1964, he served as deputy head of the Military Academy of Logistics and Transport for operational-tactical and drill training.