A few years ago, the Australian military sanctioned a study of which character traits were more likely to make a candidate successful during the grueling six-week Commando Selection and Training Course (CSTC).
The Character Strengths and Hardiness of Australian Army Special Forces Applicants study was conducted by Captain Scott D. Gayton of the Australian Army Psychology Corps (AAPSYCH), and Dr. James Kehoe of the University of New South Wales.
The study followed 95 Australian servicemen undergoing Commando selection. Before the selection process began, respondents ranked themselves on 24 character traits. Capt. Gayton found the highest-ranked character traits were: