150213-N-RX128-004 MAYPORT, Fla. – Erin Crabtree, swimming instructor, explains the proper form for freestyle stroke to prior active duty veterans in the first day of the 2015 Navy Wounded Warrior Safe Harbor Introductory Adaptive Sports Clinic at Naval Station Mayport. The clinic teaches wounded warriors competition style techniques for the upcoming tryouts for the 2015 Wounded Warrior Games, in addition to rehabilitation methods from injuries sustained while serving as active duty.