The exhibit of 3rd Infantry Division grenadier during the invasion of Iraq in 2003. His main weapon (Not shown) would’ve been M203 (40mm grenade launcher) mounted on M-16A4 and in some cases, M4. 

In this timeframe soldiers had mixture of new and old equipment system as US. Military had started transitioning from ALICE or LC-2 which was issued since 70’s and at time, new MOLLE equipment. He is wearing a JLIST (or known as MOPP) suit over his standard Desert Combat Uniform with leg pouch containing gas mask in an event Chemical (WMD) attack occurs.