This thesis deals with Slovenian Armed Forces (SAF) Battalion Task Force (Bn TF) training cycle. It focuses on how the SAF is conducting the infantry and multifunctional Bn TF training. In particular, it deals with mission and mission essential task list (METL) selections, which guide the whole process. The author decided on this topic because SAF has not had a lot of experience in this field, and the experience that SAF has is very different from one training cycle to another. This topic is even more important today, since most of the European countries are facing drastic budget cuts, and SAF has even more reasons to focus training and make it efficient. The primary research question is; what is the best training cycle or concept for training a multifunctional Bn TF for SAF? The thesis looks first at how the SAF is conducting multifunctional Bn TF training, and then compares it with the U.S. Army training cycle. The thesis outlines differences and similarities of both concepts, with an examination of many different training cycles in SAF, and will attempt to provide recommendations for SAF improvements. The conclusion outlines the shortfalls and recommendations for the SAF multifunctional Bn TF training cycle. The thesis offers recommendations for improvements in all three examined elements, first how to assign mission and METL, then how to design an effective training calendar, and at the end how to evaluate training on different levels. All this is done with comparison and examination of training cycles in the SAF for the past six years.