Luke was in 59 Commando SQN RE for 5 years reaching the rank of Lance Corporal. Luke served operational tours of duty in Afghanistan and Norway. Staff Harmer was a section private and deputised as a section 2IC, specialising in explosive method of entry. He completed many arduous courses during his time in the military, such as Army Cold Weather Warfare course, RECCE Operators course, All Arms Commando Course & Regimental Cadre. Staff Harmer left the Army in 2010.
On leaving the Army Staff Harmer attended college and university completing the Bsc Sports Coaching degree. Staff Harmer has also, completed strength and conditioning qualifications and worked with professional sports teams as a coach.
Staff Harmer is very sports orientated and loves to play and watch football and rugby. Staff Harmer is a keen Olympic weightlifter and can be found in the gym if not at work or coaching.