Once the initial training is completed, recurrency and regular practice are important components to maintain long term performance and improvement. A rotation every 1-2 years will strengthen performance, improve consistency, practice, and learning new skills and experiences. Departments may choose to assemble and maintain internal instructors to maintain on-going inservice training. Importantly, refresher training is shorter while still producing great results. The overall outcome is a very cost effective way to train and maintain personnel proficiency.