Grotka on EU
| [PZGU] | Private | 6 Apr 2016 | current | 10 years | |
| [PEKP] | Recruit | 23 Mar 2016 | 28 Mar 2016 | 5 days | |
| [_TUM_] | Executive officer | 8 Sept 2015 | 5 Mar 2016 | 6 months | |
| [_CMR_] | Executive officer | 24 Mar 2015 | 3 Aug 2015 | 4 months | |
| [_TUM_] | Commander | 15 Dec 2014 | 21 Mar 2015 | 3 months | |
| [KOKO] | — | 9 Oct 2014 | 7 Dec 2014 | 2 months |