Nachtigall Battalion
The 'Roland Battalion (), officially known as Special Group Roland, was the subunit under command of the Abwehr special operations unit Lehrregiment "Brandenburg" z.b.V. 800. Along with the Nachtigall Battalion it was one of two military units formed on 25 February 1941 by head of the Abwehr Wilhelm Franz Canaris, which sanctioned the creation of the "Ukrainian Legion" under German command. It was composed primarily of occupied Poland citizens of Ukrainian ethnicity directed to unit by Bandera's OUN orders .