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From 2017 to 2021, the administration of Donald Trump radically changed U.S. space policy by focusing on military dominance, integrating the commercial sector, and abandoning previous restrictions on the militarization of space. New doctrinal documents were adopted, the United States Space Force was created, and the United States Space Command was reestablished. The emphasis shifted toward the development of offensive capabilities, cybersecurity, and public-private partnerships.

During his second presidential term (2025–2029), Donald Trump initiated large-scale defense projects — in particular, the “Golden Dome of America” — and expanded the involvement of private companies in their development. This policy increases international tensions, provokes an arms race in space, and draws criticism for undermining international agreements and fragmenting the legal framework.

Architecture of the New Space Order: Doctrinal Principles of the 2017–2021 Administration

The national security space policy of the United States is formed both through presidential directives and on the basis of legislative acts. Presidential directives remain in force until they are revised by the next president. Thus, today the U.S. operates under a set of directives issued by Presidents George W. Bush (2001–2009), Barack Obama (2009–2017), Donald Trump (2017–2021), and Joe Biden (2021–2025).

During his first presidential term, Donald Trump signed an updated National Space Policy, seven Space Policy Directives (SPDs), five space-related executive orders, two strategies, two reports, and one National Security Presidential Memorandum (NSPM). His “space policy” was aimed at “reviving the proud legacy of American leadership in space,” including in the field of national security, accelerating the exploration of the Moon and Mars, and developing the commercial sector. It was based on a number of firm beliefs: America must remain the leading power in space in both scientific and commercial areas; space is a strategically important domain for protecting U.S. interests; space should become a driver of the country’s economic development; and achieving these goals would be supported by cooperation with private companies and international partners. “We are a nation of pioneers. We are the people who crossed an ocean, settled a vast continent, inhabited a boundless wilderness, and then looked to the stars. That is our history and that is our destiny,” declared Donald Trump.

These beliefs were embodied in a number of doctrinal documents. The Presidential Memorandum “Space Policy Directive-1” (SPD-1) in December 2017 became one of the first steps in Donald Trump’s space policy. The document set a course for the exploration and use of lunar resources, as well as preparation for missions to Mars. In order to carry out such costly projects, the memorandum emphasized cooperation with commercial entities and international partners.

In the area of national security, Donald Trump formulated the principle that the United States must maintain “peace through strength” in outer space. In the 2018 “Nuclear Posture Review” approved by him, the goal was set to modernize space-based intelligence and communication systems to strengthen nuclear deterrence. In the “National Defense Strategy” adopted in the same year, the focus was on investments in resilience and the restoration of production capabilities necessary to enhance the country’s space potential.

In December 2018, the “National Security Strategy” was published, in which space was defined as a zone of confrontation, marking a more rigid approach compared to Barack Obama’s position, who merely acknowledged threats from adversaries. This document, along with the “National Space Strategy,” emphasized the strategic importance of space and the need to ensure peace in it through the demonstration of strength. In the new 2018 National Space Strategy, the administration focused on creating a more resilient space architecture, enhancing deterrence capabilities, and ensuring security in space.

In 2018, under the pretext of a threat in space from China and Russia, the Trump administration initiated the creation of the United States Space Force, which in December 2019 became the sixth branch of the U.S. Armed Forces.

Under Donald Trump, the United States Space Command (SPACECOM) was restored as an independent combatant command. SPACECOM, which existed as a separate military branch from 1985 to 2002, was dissolved during the reorganization following the terrorist attacks of September 11, 2001. The president restored it by using his executive powers. Today, the command is responsible for integrating the space capabilities of all military services (management of satellite communication, intelligence, navigation, and missile warning systems), developing doctrines and tactics for warfare in space, and ensuring U.S. superiority in this strategic domain.

In the updated 2018 Missile Defense Strategy, special attention was given to the creation of a multi-layered system of space sensors and satellites for tracking hypersonic and ballistic threats — in particular, the satellite system “Hypersonic and Ballistic Tracking Space Sensor Layer,” which provides continuous monitoring of potential threats and data transmission. Additionally, the Trump administration initiated a transition from large satellite systems to a more resilient and distributed architecture — the Next-Generation Overhead Persistent Infrared (Next-Gen OPIR). Another presidential initiative was to accelerate the development of a “persistent monitoring layer” within the “Proliferated Warfighter Space Architecture,” which includes hundreds of satellites capable of tracking enemy missiles at all stages of flight.

The administration actively promoted a public-private partnership model. SPD-2, issued in 2018, aimed to simplify the regulation of commercial space activities, including the licensing of launches and satellite operations. NASA’s budget was also oriented toward supporting private companies through contracts and partnership proposals.

In September 2020, the administration of Donald Trump approved Space Policy Directive SPD-5, which became the first national document establishing cybersecurity standards for space systems. It outlined principles for protecting space assets and infrastructure from cyber threats, including the design and operation of systems based on a risk-oriented approach and the introduction of engineering solutions that account for cybersecurity threats. The directive emphasized cooperation between government agencies and commercial companies, and called on space system operators to develop cyber protection plans, including measures to counter unauthorized access, secure command and telemetry systems, prevent jamming and spoofing, and manage risks in the supply chain.

The Trump administration aimed to strengthen international alliances in the space sector. One of its projects was the Artemis Accords, signed on October 13, 2020, which set standards for the exploration of the Moon, Mars, and other celestial bodies, including the registration of objects, sharing of scientific data, and ensuring the safety of space missions. A total of 53 countries joined the agreement. According to independent researcher Irina Isakova, the ultimate goal of the Artemis Accords was to attract technologies and form a new space community willing to operate under American rules.

A notable departure from the policies of previous U.S. administrations was the rejection of multilateral initiatives to limit the militarization of space. The view of outer space as a new domain of warfare contradicted the spirit of the 1967 Outer Space Treaty. Nevertheless, the United States refused to participate in discussions on new international agreements aimed at preventing an arms race in space — in particular, proposals from Russia and China to ban the placement of weapons in space and to prevent their first use. Instead, the Trump administration focused on the development of offensive orbital systems, including satellites capable of disabling enemy spacecraft. This approach increased tensions on the international stage and drew criticism from other countries.

“Peace Through Strength”: An Analysis of Space Initiatives (2017–2021)

During his first presidential term, Donald Trump’s administration introduced new initiatives aimed at strengthening U.S. leadership in space, supporting the private sector, and ensuring national security. However, the implementation of these ambitious goals left a mixed legacy for the next administration.

The use of the term “space superiority” provoked a negative response from the international community. The White House’s drive toward the militarization of space weakened the U.S. position on the diplomatic stage — the American view of space as a “warfighting domain” raised concerns that U.S. policy was provoking a space arms race.

Declarations of a desire to strengthen international cooperation often contradicted the administration’s actual actions, leading to disagreements with allies and complicating the implementation of joint plans to protect satellites or develop norms of behavior in space. Doctrinal documents (such as the Defense Space Strategy) lacked a clear connection between goals and the means to achieve them. Unlike the more detailed strategies of previous administrations, Trump’s strategy offered only general recommendations. The initiative to create the Space Force turned out to be quite costly and led to excessive bureaucratization. Some initiatives faced budget constraints or delays due to technological unpreparedness, while cuts to Earth science programs caused concern among scientists. Overall, the stated goals of peaceful space exploration, aggressive rhetoric, and the actions of Trump’s administration undermined trust in the United States on the international stage.

Evolution of Approaches in the Second Term (2025–2029)

According to American analysts and former government officials, in its doctrinal approach to defense space policy, the Trump 2.0 administration will focus on offensive capabilities and the integration of commercial service providers into Pentagon projects. The main obstacle for the president’s space projects will be the issue of funding.

One of Donald Trump’s key initiatives during his first presidency was the promotion of the idea to form a National Space Guard (NSG) as a reserve component to support the United States Space Force. At the time, the idea did not receive support. In March 2025, a bill to establish the NSG was introduced to Congress. One of its authors, Senator Mike Crapo, stated that “Guard members and reservists are often highly specialized and trained individuals entrusted to counter serious threats posed by global actors such as China and Russia.”

On January 27, 2025, President Donald Trump signed an executive order to create the “Iron Dome of America”, which includes land-, air-, sea-, and space-based components, including orbital interceptor missiles. Just one month later, the ambitious initiative was renamed Golden Dome for America. The system is intended to protect the entire country from all types of missile threats. The general provisions of the order closely resemble the Strategic Defense Initiative plan of President Ronald Reagan from the 1980s.

Creation of a dense system for intercepting and striking enemy missiles during the launch phase and even before launch;

Deployment in outer space of intercept systems equipped with lasers to destroy enemy nuclear weapons;

Deployment of interceptors in various orbits;

Construction/deployment of a global ground-based infrastructure;

Protection of critical assets and infrastructure within the framework of the extended deterrence concept;

Modernization of battlefield air defense systems to protect military formations on the ground;

Establishment of a complete and self-contained production cycle for all components of the “shield” exclusively within the United States, ensuring the security of the defense industry and logistics for the production of upgraded and advanced interceptors and tracking systems.

In addition to the obvious analogy with the Strategic Defense Initiative (SDI), the current program also reflects the evolution of military technologies — the use of hypersonic sensors (Hypersonic and Ballistic Tracking Space Sensor Layer) and satellite networks like Next-Gen OPIR, which provide continuous monitoring.

It is assumed that the system will be entirely produced in the United States. However, Kari Bingen, former Deputy Under Secretary of Defense for Intelligence and Security during the first Trump administration and now a fellow at CSIS, believes that the new administration will strive for close cooperation with Israel in the space domain.

Although the technical and financial scale of the project raises skepticism among experts, the Golden Dome for America program may lead to greater involvement of private companies in the development and production of missile defense system components, stimulate the U.S. defense-industrial base, and ultimately contribute to a revision of the national defense strategy aimed at winning the arms race and achieving strategic invulnerability.

At the same time, according to the December 2024 report “Government Space Programs: A Comprehensive Review of Government Space Strategies, Activities, and Budgets through 2033” by NovaSpace, 59% of global government funding for space programs comes from the U.S. budget, but Washington remains dissatisfied with the current funding level. The White House is betting on encouraging the involvement of private capital and foreign partners in space programs. A discussion held during the Small Satellite Symposium on February 5, 2025, in California highlighted strong competition for government contracts between legacy space program contractors (Lockheed Martin, Northrop Grumman, L3Harris, Raytheon Technologies, Boeing’s Millennium, General Dynamics) and several new consortium groups (Palantir Technologies and Anduril Industries, OpenAI and SpaceX).

In the space sector, the United States holds not only strong technological and financial advantages but also significant competitive capacity. Trump’s 2.0 team includes many prominent figures with professional or commercial interests in space: Elon Musk, owner of SpaceX and Tesla; Jared Isaacman, NASA Administrator, CEO of Shift4 Payments and Draken International (which trained U.S. Air Force pilots); Steve Feinberg, candidate for Deputy Secretary of Defense and founder of Cerberus Capital Management; Tom Krause, Assistant Secretary of the Treasury and Director of Cloud Software Group; Jeff Bezos, advisor to space coordination councils and founder of Blue Origin, among others.

The recent conflict between Donald Trump and Elon Musk, despite its public resonance, has not had a systemic impact on the administration’s strategy regarding the private sector. NASA officially stated its intent to continue implementing the president’s space priorities, using the full range of industrial partners. Any potential tactical slowdowns caused by corporate conflicts are offset by strong competition and diversification of contractors.

NASA’s flagship program, the Artemis Accords, may undergo a shift in priorities. Its outspoken critic, Elon Musk, has consistently argued that the U.S. should abandon lunar exploration and focus on Mars. There remains a possibility that the Space Launch System (SLS) — the super-heavy launch vehicle for crewed missions beyond Earth orbit — may be canceled or significantly altered. Key roles could shift to private companies such as SpaceX or Blue Origin, with Elon Musk’s SpaceX Starship becoming the cornerstone of Martian ambitions. This is evidenced by budget cuts and job reductions: Boeing, the primary SLS contractor, has already announced potential layoffs. The future of the Artemis Accords will depend on decisions by the Trump administration, the influence of the private sector, and Congressional support.

Invitation to a Space Arms Race

The doctrinal approaches of the current U.S. president’s administration are transforming space into a full-fledged theater of military operations, where the United States seeks to establish dominance through a combination of military, commercial, and regulatory tools. During his first presidential term, Donald Trump laid the institutional groundwork for this strategy; in his second term, he is launching a qualitatively new phase of militarization.

The 2018 National Space Strategy, with its emphasis on building a large-scale space architecture, marks a shift to the concept of “space as a warfighting domain.” The Golden Dome program effectively abandons the principle of “stability through vulnerability” and revives the Strategic Defense Initiative (SDI), which in the 1980s undermined nuclear deterrence stability and triggered a new round of confrontation. The Artemis program contributes to the fragmentation of the legal framework and undermines the regime established by the 1967 Outer Space Treaty.

Trump’s “space” agenda is expected to further militarize the civilian sector of the economy, draw U.S. allies around the world into military space projects, and intensify global competition over frequencies, orbits, and cybersecurity standards.

Such policies by the Trump administration have dangerous consequences for international security, including the escalation of the space arms race, the risk of space-based conflicts, and the provocation of nuclear arsenal expansion — especially by China.

The New Space Landscape and Future Challenges

Donald Trump’s administration has radically revised the U.S. approach to outer space, turning it from a domain of international cooperation into a stage of strategic rivalry. The creation of the U.S. Space Force, the launch of the Golden Dome program, and the promotion of the Artemis Accords represent a clear trajectory toward military-technological dominance, supported by public-private partnerships. These steps have sparked not only a wave of technological advancement but also increased international tension — including criticism from Russia and China, which advocate for banning the militarization of orbital space, as well as major disagreements over the interpretation of space law.

The Trump era will leave behind a dual legacy: on one hand, accelerated innovation and commercialization; on the other, risks of legal fragmentation and the escalation of an arms race. Under Donald Trump, space is becoming an integral part of U.S. defense strategy. The future of humanity in space will depend on whether the White House administration can balance its desire to deter space competitors with a willingness to preserve dialogue — otherwise, near-Earth space risks turning into the “new front of a cold war.”

Sources:

V.P. Kozin. U.S. Space Forces: Their Key Missions and Future Potentials. Moscow: Sabashnikov Publishing House, 2022. 444 pages. ISBN: 978-5-82420-184-0.