In its war on terrorism in Yemen, the US government describes Yemen as "an important partner in the global war on terrorism". There have been attacks on civilian targets and tourists, and there was a cargo-plane bomb plot in 2010. Counter-terrorism operations have been conducted by the Yemeni police, the Yemeni military, and the United States Armed Forces.
Mukalla is a seaport and the capital city of Yemen's largest governorate, Hadhramaut. The city is in the southern part of the Arabian Peninsula on the Gulf of Aden, on the shores of the Arabian Sea, about 480 kilometres east of Aden. It is the most important port city in the Hadhramaut region. It is also the sixth-largest city in Yemen, with a population of approximately 595,000 as of 2023. The city is served by the nearby Riyan International Airport.
Al-Qaeda in the Arabian Peninsula, abbreviated as AQAP, also known as Ansar al-Sharia in Yemen, is a Islamist extremist terrorist militant group primarily active in Yemen and Saudi Arabia that is part of the al-Qaeda network. It is considered the most active of al-Qaeda's branches that emerged after the weakening of central leadership. The U.S. government believes AQAP to be the most dangerous al-Qaeda branch. The group established an emirate during the 2011 Yemeni Revolution, which waned in power after foreign interventions in the subsequent Yemeni Civil War.
The Al-Qaeda insurgency in Yemen is an ongoing armed conflict between the Yemeni government, the United States and their allies, and al-Qaeda-affiliated cells in Yemen. It is a part of the Global War on Terror.
Jama'at Ansar al-Shari'a, also known as Ansar al-Shari'a, is a Yemen-based umbrella organization which includes units from several militant Islamic groups of al-Qaeda in the Arabian Peninsula (AQAP). In 2011, AQAP created Ansar Al-Sharia as a Yemen-based affiliate focused on waging an insurgency rather than international attacks on the West. In the view of the International Crisis Group, AQAP is "an internally diverse organisation with varying layers of support among the local population" and many AAS members and allies are not committed to AQAP's international agenda.
United States drone strikes in Yemen started after the September 11, 2001 attacks in the United States, when the US military attacked Islamist militant presence in Yemen, in particular Al-Qaeda in the Arabian Peninsula using drone warfare.
The First Battle of Mukalla (2015) was a battle between al-Qaeda in the Arabian Peninsula, local tribesmen, and the Yemen Army for control of the coastal city of Mukalla, Yemen.
Khalid Saeed Batarfi, also known as Abū al-Miqdād al-Kindī, is a Saudi Arabian militant and the current emir of Al Qaeda in the Arabian Peninsula. He oversaw the Yemen-based group's media network and led jihadist fighters in their takeover of Yemen's Abyan Governorate in 2011, where he was accorded the position of emir. He also reputedly carried out terrorist attacks in the Abyan and Hadhramaut governorates.
In early December 2015, two Yemeni towns, Zinjibar and Ja'ar, were captured by the jihadist group Al-Qaeda in the Arabian Peninsula (AQAP). This was the second capture and occupation of Zinjibar during unrest in Yemen. The town was earlier taken by AQAP's in May 2011 and held until the summer of 2012.
The Southern Abyan Offensive refers to a 2016 offensive that AQAP launched in late February, which ended with a victory for AQAP as Yemeni tribal fighters loyal to president Abdrabbuh Mansur Hadi were driven out of the Abyan Governorate.
The Aden unrest refers to initially ongoing conflict between Islamist factions, such as al-Qaeda in the Arabian Peninsula, and Islamic State of Iraq and the Levant's Yemen Branch, against the loyalists of president Abd Rabbuh Mansur Hadi and later to conflict between UAE-backed and Saudi-backed factions within the coalition. In 2017, fighting also broke out between factions aligned with different members of the Saudi-led coalition namely Saudi Arabia-backed Abdrabbuh Mansur Hadi and Al-Islah and UAE-backed separatist Southern Transitional Council and Southern Movement.
The Shabwah Governorate offensive is an insurgent campaign by Al-Qaeda in the Arabian Peninsula (AQAP) forces to take control of Shabwah Governorate during the Yemeni Civil War.
The Islamic State – Yemen Province is a branch of the militant Islamist group Islamic State (IS), active in Yemen. IS announced the group's formation on 13 November 2014.
In Yemen, popular committees are armed groups formed by Yemeni tribes on behalf of more professional armed forces.
The Second Battle of Mukalla refers to an armed conflict between al-Qaeda in the Arabian Peninsula (AQAP) and the Saudi-led Coalition. The aim of the coalition offensive was to disable the newly resurgent al-Qaeda Emirate in Yemen by recapturing its capital, Mukalla. The battle led to a coalition victory, in which the coalition forces gained control of Mukalla and the surrounding coastal areas.
On 15 May 2016, a suicide bombing in the southern Yemeni port city of Mukalla, the capital of the Hadhramaut province, killed at least 47 police and injured over 60. The bombing was preceded by an attack, where 15 Yemeni troops were killed in attacks on army positions outside Mukalla. ISIL said, one of its militants blew up a vehicle, packed with explosives, in an army base in the Khalf district at the city's eastern outskirts.
The following is a timeline of the Yemeni civil war, which began in September 2014.
The raid on Al Hathla was a military operation launched by the United States military, against Al-Qaeda in the Arabian Peninsula forces in Ma'rib Governorate in Yemen on 23 May 2017. The attack occurred in an Al-Qaeda compound that was used as a training facility for new combatants.
The Hadramaut insurgency was an insurgency in Yemen launched by AQAP and ISIL-YP against forces loyal to president Abdrabbuh Mansur Hadi.
The Abyan conflict was a series of clashes between forces of AQAP loyal to Yemeni president Abdrabbuh Mansur Hadi, and forces loyal to Southern Movement for the control of Abyan between 2016 and 2018.
Yemen 
Saudi Arabia 
Al-Qaeda in the Arabian Peninsula