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U.S. military presence abroad faces domestic, foreign opposition

By Michael A. Allen & Carla Martinez Machain & Michael E. Flynn
U.S. military presence abroad faces domestic, foreign opposition
Refugees are evacuated from Hamid Karzai International Airport in Kabul, Afghanistan on  August 26 as the U.S. military withdraws from the country after 20 years. File Photo by Hassan Majeed/UPI | License Photo

Jan. 6 (UPI) -- In August, the U.S. military withdrew from Afghanistan after fighting a war there for nearly 20 years.

In addition to Afghanistan, the United States has reduced its military presence in several other conflict zones in recent years. It has lowered troop levels in Iraq from 170,000 in 2007 to 2,500 in 2021, and in Syria from 1,700 in 2018 to around 900 today. While these reductions may seem like a U.S. military withdrawal from the world stage, its presence overseas remains vast.

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As political scientists, we examine the costs, benefits and perceptions of U.S. military deployments abroad. Our research shows that though the scope and location of its deployments may change, the U.S. military remains an influential global player.

Domestically, pressures to reduce the defense budget make overseas deployments an attractive target to cut. Internationally, opposition to hosting the U.S. military can also increase the cost of maintaining bases.

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For the United States to maintain its influence, it will have to adapt to these increasing international and domestic pressures against its foreign military presence. Alternatively, the gradual withdrawal from its overseas commitments will make it harder for the United States to maintain its alliances and the international institutions it has crafted.

History of deployments

U.S. military deployments and bases reassure allies, deter rivals and support humanitarian missions and military training. They also act as a command center for varied operations, including drug interdiction and counterterrorism. A base gives the United States the ability to credibly respond to emerging threats and crises in a region.

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They can range from small listening posts with a handful of people to a virtual city like Camp Humphreys in South Korea, which hosts over 35,000 military and civilian personnel.

We recently published updated data on the number of U.S. troops deployed overseas, based on reports published by the Department of Defense's Defense Manpower Data Center. The data show that in 2021 the United States had 171,477 service members located overseas, a small decease from 177,571 in 2020.

Beyond personnel, the United States owns over 600 locations used by the military in countries and territories. These sites range from larger bases and training ranges to smaller sites, including petroleum product storage stations in Turkey and Portugal and Army golf courses in Germany and South Korea.

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The United States established its first permanent overseas military facility at Guantánamo Bay, Cuba, in 1898 at the end of the Spanish-American War. The U.S. Platt Amendment stipulated the legal option for the United States to buy or lease land from Cuba in perpetuity. Notably, the Cuban government does not recognize the U.S. right to hold Guantánamo and does not cash the U.S.'s monthly $4,085 rent checks. Beyond that, except for bases in the Philippines, U.S. bases remained limited worldwide until World War II.

The Second World War saw the United States expand its base network through aid agreements and the military occupation of Germany and Japan. Over 16 million service members were mobilized for the war, and around 7.6 million were deployed to conflicts in Europe, Asia and Africa. Bases in this period were established or leased in areas like Canada, France, Germany, Japan and Guam.

After the war, the number of U.S. personnel overseas declined globally. Yet new engagements in North Korea, Vietnam, Iraq and Afghanistan were accompanied by rapid and large deployments to Asia and the Middle East.

Shifting presence

While the United States has maintained a global military presence for the last 70 years, its approach has changed over time.

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Recently, U.S. military deployments, many without a formal U.S. military base, have been used to help counter China's expanding influence in Africa. Though China's involvement in Africa has generally been economic, the establishment of the Chinese People's Liberation Army Support Base in Djibouti in 2017, coupled with recent news of China's plans to build its first Atlantic base in Equatorial Guinea, suggest that China may seek increased military influence in Africa in the future.

Comparing the U.S. military presence in Africa between 2001 and 2021, we can see an increased number of African states with U.S. forces present. Notably, in 2007, the United States established Africa Command, a regional Defense Department command, based in Germany, specifically responsible for operations in and relations with all countries in Africa.

The United States has maintained a broad number of small deployments throughout the continent during this time. Many are composed of special operations and special forces units focusing on counterterror and military training operations. Djibouti is particularly notable, as the United States, China, France and the United Kingdom all have military facilities there.

Reducing the U.S. footprint

The scope of the U.S. global military footprint has become increasingly contentious in Congress in recent decades and in some of the countries hosting U.S. personnel.

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The Trump administration sought to reduce the number of troops in countries that failed to increase their share of the cost for hosting U.S. troops.

The Biden administration has reversed some Trump-era policies. For example, it stopped Trump's planned troop drawdown in Germany.

Yet the Biden administration also continues to explore ways the United States could adjust its military footprint. The Defense Department in November announced the completion of its Global Posture Review, examining the U.S. military's presence overseas.

Both administrations' preference to cut the number of overseas personnel is rooted in the political and financial costs of maintaining deployments. The ability to use new technologies, such as drones, rather than people in combat operations, has also allowed U.S. policymakers to shift away from larger bases.

Instead of a massive complex like Ramstein Air Base in Germany that the Defense Department values at $12.6 billion, it can spend just over $100 million to build small sites for drone operations like Niger Air Base 201.

However, if the United States wishes to continue to influence regional politics and use its military as a credible deterrent to rival powers, technology alone is unlikely to be sufficient.

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Shared opportunities, pitfalls

We have discussed previously how the United States gains influence and ease of operating in exchange for the defense of other nations. But this American gain comes with several costs for host states.

Deployments can cause noise pollution, long-term environmental harm, opportunities for crime and stoke broader grievances about imperialism and militarism. And they can generate traffic and accidents when local driving customs differ substantially from what U.S. troops are accustomed to, or where large and frequent military convoys traverse busy locations.

Opposition movements built upon grievances with the U.S. presence have fueled national movements to remove U.S. bases in South Korea and Japan.

In some cases, like the Philippines, such movements have been successful. Over time, formerly autocratic host countries have become democratic, like South Korea, and have made public support by the civilians of host states critical if the United States desires to maintain its troops overseas.

Both increasing external competition and growing domestic political pressures may lead to reduced opportunities for the United States as it navigates new and existing host relationships.The Conversation

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Michael A. Allen is an associate professor of political science at Boise State University; Carla Martinez Machain and Michael E. Flynn are associate professors of political science at Kansas State University.

This article is republished from The Conversation under a Creative Commons license. Read the original article.

The views and opinions expressed in this commentary are solely those of the author.

Scenes from the U.S. withdrawal from Afghanistan

Secretary of Defense Lloyd J. Austin III (L) and Chairman of the Joint Chiefs of Staff Army Gen. Mark A. Milley deliver remarks about the end of the 20-year military mission in Afghanistan at the Pentagon, in Arlington, Va., on September 1. Photo by Ken Cedeno/UPI | License Photo

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