Use double quotes to find documents that include the exact phrase: "aerodynamic AND testing"

I was just introduced to Hap Ki Do in 2007. My son and I started at the same time. It was a real challenge as I was 52 years old. I trained really hard with the goal of reaching my Black Belt level, but I had a bad break of my left leg in 2011 that kept me out for over 6 months. I came back determined and was awarded my black belt in Dec 2012. My son’s work schedule slowed his progress, but he achieved his black belt level a few years later. It was awesome being able to train with my son. We still participate but at a reduced level during the Pandemic but will be back at training soon!!!