巴士拉战役 是自2003年3月21日到同年4月6日的一场军事冲突，被视为是伊拉克战争联军进攻伊拉克的初期战役之一。经过两周伊拉克军队与敢死队的炮火下，4月6日英军第七装甲旅攻入巴士拉，然而英军伞兵团相关人员却宣称市内“旧城区”无法让车辆进入。此外，3月27日还爆发了伊战中最大规模的坦克战，皇家苏格兰龙骑兵卫队摧毁了十四辆伊拉克军队坦克。

The Battle of Nasiriyah was fought between the US 2nd Marine Expeditionary Brigade and Iraqi forces from 23 March to 2 April 2003 during the US-led invasion of Iraq. On the night of 24–25 March, the bulk of the Marines of Regimental Combat Team 1 passed through the city over the bridges and attacked north towards Baghdad. Other elements remained in the city to fight its defenders, who put up stiff resistance and inflicted several dozen casualties on coalition forces, more than in most other battles during the invasion. Resistance ceased on 1 April.

乌姆盖斯尔战役 是伊拉克战争期间的第一场地面战斗。在战争打响时，联军的第一批目标中就有乌姆盖斯尔港。2003年3月21日，正当联军在伊拉克南部推进时，一支两栖登陆部队攻占了乌姆盖斯尔港的新港区。这场进攻有英国皇家海军陆战队第三突击旅打头阵，并且得到了美国海军陆战队第15远征部队和波兰行动应变及机动组（GROM）的支援。驻守在乌姆盖斯尔城区内的伊拉克军队进行了出乎联军意料的抵抗，迫使联军花了数天事件才清除了当地的防御部队。在3月25日，联军宣布这座港口城市已经安全并且重新对外开放。

法奥战役是伊拉克战争最早的一场战斗之一。在伊拉克战争中联军最初的一批目标就有在伊拉克军队对位于法奥半岛上的采油设施进行破坏之前完整地夺取这些设施。这能够避免像1991年海湾战争中发生的生态危机再次发生，并且能够让伊拉克更快地恢复石油出口，这对于战争之后伊拉克的重建工作非常重要。

The Battle of Najaf was a major battle in the 2003 U.S. invasion of Iraq. The first stage of the battle was fought when the U.S. 3rd Infantry Division fought to surround the town. The second stage was fought when soldiers from the U.S. 101st Airborne Division fought to clear and secure the city.

Operation Viking Hammer was an unconventional warfare operation during the Iraq War which took place in northern Iraq, commonly known as Iraqi Kurdistan. The goal of the operation was to eliminate Ansar al-Islam and dismantle the Islamic Emirate of Kurdistan. Ansar al-Islam was established by former Al-Qaeda members in 2001 as a Kurdish Salafist movement that imposed a strict application of Sharia in villages it controlled.

The Battle of Samawah took place during the 2003 invasion of Iraq as American troops fought to clear the city of Iraqi forces. The city had been bypassed during the advance on Baghdad, leaving the task of clearing it to American paratroopers of the 82nd Airborne Division with mechanized infantry and armor provided by units of the 1st Battalion, 41st Infantry Regiment, and 2-70th Armor Battalions, along with 3rd platoon 59th Chemical Company tasked with finding and removing any potential chemical or biological weapons. The battle was the largest sustained urban combat that paratroopers of the 82nd Airborne had been involved in since World War II.

Operation Northern Delay occurred on 26 March 2003 as part of the 2003 U.S. invasion of Iraq. It involved dropping paratroopers into Northern Iraq. It was the last large-scale combat parachute operation conducted by the U.S. military since Operation Just Cause.