4.7M views · 38K reactions | Practice Makes Perfect ✔️ 173rd Airborne Brigade Soldiers practice with the M249 light machine gun before testing on the weapon lanes. Weapon lanes are part of the Expert Infantryman Badge (EIB) and Expert Soldier Badge (ESB) testing, collectively known as E2B, which tests candidates' physical and mental abilities while executing critical individual tasks | U.S. Army | Facebook