Physical and mental load of tactical athletes during Arctic military training. - van den Berg, N. H.; Michaud, X.; Vaara, J. P.; Ojanen, T.; Kyröläinen, H.; Martin, A.; Haman, F.; Heikkinen, R.; Van Cutsem, J.; Pattyn, N.; Helen, J.; Simonelli, G. (Frontiers in Sports & Active Living, 2026)