Misawa Flight Line Receives Additional Upgrades Published May 24, 2018 By Petty Officer 2nd Class Dean Cates American Forces Network Misawa MISAWA AIR BASE, JAPAN -- Construction crews strategically placed holes in the pavement on Misawa's flight line over the last several months. After purchasing specialized tools and other supplies, the project cost nearly $10,000. U.S. Navy Petty Officer 2nd Class Dean Cates, American Forces Network Misawa, explains their purpose: