... All 10 TLD studies describe a number of common factors: TLD is a period of time spent on a location that is neither in theatre nor in the home country; TLD is delivered directly after leaving the operational area, and before returning to the home environment; TLD includes time to rest and relax and contains some form of psychoeducation Currie, Day, & Kelloway, 2011;de Terte, Wray, & O'Sullivan, 2014;Iversen et al., 2008;Jones et al., 2011Jones et al., , 2013Mulligan et al., 2012;Wood et al., 2018;Zamorski, Guest, Bailey, & Garber, 2012). The allowance to drink alcohol is also part of some TLD programmes Jones et al., 2011Jones et al., , 2013de Terte et al., 2014). The actual 'third location' varies between studies, ranging from a military base or camp (de Terte et al., 2014;Schneider et al., 2016) to four-to five-star civilian resort hotels Zamorski et al., 2012), either in a stop-over country Currie et al., 2011;Jones et al., 2011Jones et al., , 2013Mulligan et al., 2012;Zamorski et al., 2012) or at sea (Wood et al., 2018). ...