IV Ustasha Battalion (IV. ustaška bojna) also Ustasha Battalion "Devčić"
by H.L. deZeng IV

Formed fall 1941 and by November was located at Jasenovac, the site of the NDH’s largest concentration camp. Shortly after this, in a strength of approximately 500 men, it was sent to East Bosnia to reinforce operations there. (1)

Operational History

(see II Ustasha Brig. and 2d Jäger Brig., for additional information)

2 Dec 41: in Dobošnica/17 km NW of Tuzla on the railway line between Tuzla and Doboj with some 1,500 men on the eve of a large-scale clearing operation directed at the Ozren Partisan Detachment. The operation ran from 3 to 12 December with the Partisans suffering heavy losses before the remnants slipped away.
14 Mar 42: in Han Pijesak near Sarajevo attached to Jure Francetić’s Black Legion (1st Ustasha Rgt.).
Jun 42: participated in Operation “West-Bosnien.”
12-19 Oct 42: took part in Operation “Kozara.”
29 Oct – 3 Nov 42: engaged in Operation “Sandmann.”
2-7 Nov 42: Bn. elements participated in Operation “Lug” in the area west of Sanski Most.
1 Dec 42: Bn. HQ and 1st – 4th Co. in Orahovo/East Bosnia. Over the course of the next several weeks it transferred to Bos. Gradiška, where it was located on 29 December, and tactically subordinated to German 714. Inf.Div. A few days later it was ordered to Banja Luka to regroup and engaged in training.
3 Jan 43: in Ljubija Rudnik/48 km NW of Banja Luka, but several weeks later ordered back to Bos. Gradiška.
20 Jan 43: from Bos. Gradiška carried out an unsuccessful attack on elements of the 4th Assault Division NOVJ that were sheltered in nearby villages.
Feb 43: Bos. Gradiška - as part of a German plan to strengthen the fighting resolve of the new Jäger brigades then being formed, IV Ustasha Bn. received the additional designation III. (IV Ust. Bn.)/Jäger Rgt. 1, which belonged to the 2d Jäger Brigade.
15-17 Mar 43: took part in Operation “Gustav” near Bos. Gradiška.
8-12 May 43: participated in Operation “Ulrich” in the Kozara mountains between Bos. Gradiška and Banja Luka.
11 Jan 44: Bn. HQ and 1st Co. – 5th Co. in Dubica on the Una River 35 km west of Bos. Gradiška tactically under the German 1. Kos.Kav.Div. - the Division filed a report this date to higher headquarters that accused the Battalion of murdering and plundering the local Pravoslavni (Serbian Orthodox) population. The Division asked that the Battalion be removed from the area or its officers replaced. (2)
8 Apr 44: in Bosanska Krupa on the Una River 82 km WNW of Banja Luka. In April the Battalion was tactically reassigned from the 1. Kos.Kav.Div. to the German 373. Inf.Div. (kroat.).
9 May 44: Dubica with Bn. HQ and 1st – 3d Co. operating under the overall command of the Obrana Brigade, which was responsible for guarding and running the NDH’s concentration camps. The Battalion’s 4th and 5th Co. were elsewhere.
15 Aug 44: Bn. now in Prejedor/45 km NW of Banja Luka. On or about this date the Battalion disappears for the record and it is believed that it was rename I Bn./IV Ustasha Brigade.


Ust. Satnik Krunoslav (“Krune”) Devčić? (? - ?) 1941-1942
Ust. Satnik Nikola Blažević (May 1943 - ?)
Ust Satnik Magdić (? - Oct 1943)
Ust. Nadsatnik Petar Dujić (Nov 1943 - ?)


II Ustasha Brigade Oct 1942, Dec 1942, Mar 1943


1. Arhiv VII, kut. 134a, reg.br. 4/1; Colić - Takozvana Nezavisna Država Hrvatska 1941; [Vojnoistorijski institute] - Zbornik dokumenata i podataka o narodnooslobodilačkom ratu jugoslovenskih naroda; [Vojnoistorijski institute] - Hronologija oslobodilačke borbe naroda jugoslavije 1941-1945, p.407; NARA WashDC: RG 226 (OSI document 110433); RG 242 (T-311 roll 192/533); (T-314 roll 560/219); (T-315 roll 1294/70; roll 2258/1310; roll 2267/556; roll 2270/1032-36).
2. This report can be found in NARA WashDC: RG 242 (T-314 roll 561/493).

Reference material on this unit

- None known at this time -