“…Complementary and ancillary interventions may enhance the success of efforts to promote better physical and mental health, and quality of life for military service members (Madsen, Vaughan & Koehlmoos, 2017). Among ancillary programs, many involve outdoor activities (Stigsdotter et al, 2011) such as sports (Caddick, Smith & Phoenix, 2014;Caddick, Smith & Phoenix, 2015;Marchand et al, 2018), horticulture (Gorman & Cacciatore, 2017;Lehmann, Detweiler & Detweiler, 2018), nature adventure (Gelkopf et al, 2013;Hyer et al, 1996), equine and other animal therapies (Fine & Beck, 2015), and spending time in nature (Poulsen, Stigsdotter & Davidsen, 2018;Poulsen, Stigsdotter & Refshage, 2015;Wagenfeld, Roy-Fisher & Mitchell, 2013).…”