CWO Letkeman joined cadets at the age of 15 years olds after hearing about the program from his friend at school Wayne Stronghill. He aged out when he turned 19 in 1993.
CWO Letkeman was Master Cadet qualified.
CWO Letkeman was awarded the Most Outstanding Junior NCM award and Esprit De Corps award.
CWO Letkeman successfully attended the 6 week Cadet Leader Course, 6 Week Cadet Leadership & Challenge Course and 6 week Cadet Leader Course (Staff Cadet Warrant Officer).
CWO Letkeman is the recipient of the $500 Kim Serrick memorial award.