The FAA Office of Commercial Space Transportation, known internally as AST, is the regulatory body that licenses commercial rocket launches, reentries, and commercial spaceports in the United States. Established in 1984 under the Commercial Space Launch Act, AST operates as the Federal Aviation Administration’s only space-related line of business. Its legal mandate directs it to regulate commercial space activities to protect public health and safety, property, and national security, while also encouraging private sector space transportation.
Every commercial orbital launch from American soil requires an authorization from this office before liftoff. The licensing framework evaluates vehicle flight safety, ground operations, insurance coverage, and environmental reviews conducted under federal law. When a launch fails or a booster breaks up unexpectedly, the office determines whether the event constitutes a mishap, oversees the operator’s root-cause investigation, and mandates corrective actions before authorizing a return to flight.
Statutory Authority and Growth of the Commercial Space Office
The FAA Office of Commercial Space Transportation traces its regulatory authority directly to the Commercial Space Launch Act of 1984. The statute is codified at 51 U.S.C. 50901 through 50923. Originally situated within the Office of the Secretary of Transportation inside the Department of Transportation, the regulatory division transferred to the Federal Aviation Administration in November 1995. AST remains the FAA’s only space-related line of business.
Federal law gives the Secretary of Transportation the authority to oversee, license, and regulate commercial launch and reentry activities. This oversight applies to launch and reentry sites operated inside the United States and to operations carried out by American citizens abroad. Under federal regulations, the Secretary delegates this administrative power directly to the FAA Administrator.
Congress assigned AST four specific statutory duties under 51 U.S.C. 50901 through 50923:
- Regulate the United States commercial space transportation industry to protect public health and safety, safety of property, and national security and foreign policy interests of the United States.
- Encourage, facilitate, and promote commercial space launches and reentries by the private sector.
- Recommend changes to statutes, treaties, regulations, and administrative policies governing commercial space activities.
- Facilitate the strengthening and expansion of United States space transportation infrastructure.
The operational volume overseen by the office has shifted substantially over the past decade. In Fiscal Year 2015, the office licensed 14 commercial operations. By calendar year 2023, that number reached 124 operations, tripling the total operations conducted in 2020. Fiscal Year 2024 recorded 148 licensed operations, representing an annual increase of more than 30 percent over the previous year. In Fiscal Year 2025, licensed operations reached a record 204.
On August 14, 2025, the FAA reached its 1,000th operation of a licensed or permitted commercial space vehicle. Agency projections forecast up to 4,288 commercial operations over the subsequent decade, estimating an increase from 214 operations in 2026 to 507 annual operations in 2036. To manage this operational workload, agency staffing reached a high of 165 personnel in Fiscal Year 2024, up from 118 personnel at the conclusion of Fiscal Year 2022. During Fiscal Year 2024 alone, the office executed 49 licensing actions, completed 23 environmental reviews, and conducted 810 field inspections.
What a Part 450 Launch License Requires
Commercial rocket operators receive flight authorization through a vehicle operator license governed by Part 450 of Title 14 of the Code of Federal Regulations. The FAA space licensing regulations specify that Part 450 applies to launch operations that exceed 150 kilometers in altitude, generate total thrust greater than 200,000 pound-seconds, or carry a payload for hire. Amateur rockets operating suborbitally without crew below 150 kilometers and beneath 200,000 pound-seconds of total impulse are exempt from this licensing requirement.
Part 450 took effect in March 2021 to replace four legacy regulatory parts: Part 415, Part 417, Part 431, and Part 435. For five years, the FAA maintained the legacy rules alongside Part 450 to allow operating companies a formal transition period. By the mandatory deadline of March 9, 2026, major launch operators had transitioned their legacy programs into compliance. These transitioned systems include the Blue Origin New Shepard, Firefly Aerospace Alpha, SpaceX Falcon 9, Falcon Heavy, and Dragon, Rocket Lab Electron, and United Launch Alliance Atlas and Vulcan. The agency had issued 14 Part 450 licenses between March 2021 and mid-March 2026.
A Part 450 vehicle operator license reduces the number of times an operator needs an FAA license approval. It grants approval for a broader portfolio of operations, multiple vehicle configurations, varied mission profiles, and launches across separate sites under a single license.
The formal evaluation of a launch or reentry application addresses four distinct criteria:
- Public safety issues, such as overflight of populated areas and payload contents.
- National security or foreign policy concerns.
- Insurance requirements: all permit and license holders must provide evidence of funds to cover potential damage from a mishap.
- Potential environmental impact.
Federal law establishes that the FAA has up to 180 days after accepting a completed application to approve or deny a new launch or reentry license. The agency maintained a record of meeting that statutory deadline 98 percent of the time as of November 2024.
Beyond standard commercial vehicle operator licenses, AST issues experimental permits under Part 437 for developmental reusable suborbital rockets and reusable launch vehicles. The office also evaluates safety element approvals, completes payload reviews, and coordinates with the FAA Air Traffic Organization to integrate commercial space corridors into the National Airspace System.
Launch Licenses Compared with Spaceport Operator Licenses
Commercial launch activity requires both a licensed vehicle and an authorized launch location. A vehicle operator license authorizes the rocket flight itself, whereas a spaceport license authorizes the ground site to host such activities.
The FAA commercial space regulations split site authorizations across Part 420 for launch site operations and Part 433 for reentry site operations. A site license allows a spaceport to host vehicle activities. It does not authorize a rocket launch on its own. Every rocket operator using the site must hold an independent vehicle operator license or experimental permit.
The agency’s records list 20 commercial spaceports and federal launch installations across 10 states. Of these 20 sites, 15 locations maintain an active FAA commercial site operator license:
- Huntsville International Air and Space Port (Alabama)
- Pacific Spaceport Complex Alaska (Alaska)
- Mojave Air & Space Port (California)
- Vandenberg Space Force Base, listed under both FAA commercial and federal status (California)
- Colorado Air & Space Port (Colorado)
- Space Florida Launch Complex 46 (Florida)
- Space Florida Shuttle Landing Facility (Florida)
- Cecil Air and Space Port (Florida)
- Space Coast Regional Airport (Florida)
- Spaceport Camden (Georgia)
- Spaceport America (New Mexico)
- Infinity One Oklahoma Spaceport (Oklahoma)
- Houston Spaceport (Texas)
- Midland Spaceport (Texas)
- Mid-Atlantic Regional Spaceport (Virginia)
The remaining five sites carry distinct federal or private legal designations. Cape Canaveral Space Force Station, Kennedy Space Center, and Wallops Flight Facility operate under federal jurisdiction. Blue Origin’s Launch Site One and SpaceX’s launch site at Boca Chica, Texas, are listed as private exclusive-use sites. Dedicated infrastructure policy sits under the FAA Office of Spaceports, which develops programs to strengthen infrastructure improvements and enhance the competitive position of domestic launch installations. Our guide to which sites count as U.S. spaceports covers the FAA-licensed commercial sites in more detail.
Environmental Reviews and the Starbase Licensing Record
Under the National Environmental Policy Act (NEPA), AST must evaluate the environmental effects of a proposed launch operation before issuing a license or approving a modification.
A concrete example of this regulatory process unfolded at SpaceX’s Starbase facility in Cameron County, Texas. On June 13, 2022, the FAA completed a Programmatic Environmental Assessment, or PEA, for the Starship and Super Heavy vehicle program at Boca Chica. The agency issued a Mitigated Finding of No Significant Impact and Record of Decision, known as a FONSI/ROD. That determination did not grant an immediate launch license. Instead, it required SpaceX to carry out more than 75 specific mitigation actions to address environmental impacts. These mitigations included strict limits on closures of Texas State Highway 4, barring closures on 18 identified holidays and restricting closures to no more than five weekends per year. The highway closure rules and the city’s status are covered in our Starbase, Texas guide.
As SpaceX adjusted its flight operations, additional environmental reviews became mandatory under federal law:
- 25-Launch License Modification: In April 2025, the FAA issued a Mitigated FONSI/ROD on a Tiered Environmental Assessment tiered directly from the 2022 PEA. This action amended SpaceX’s vehicle operator license to authorize up to 25 annual Starship and Super Heavy orbital launches from Boca Chica. It also permitted up to 25 annual Starship landings and up to 25 annual Super Heavy booster catch landings at the launch site. The review process required publishing a Draft Environmental Assessment on July 29, 2024, issuing a Revised Draft on November 20, 2024, holding public meetings in Brownsville, Texas, on January 7, 2025, and closing public comments on January 17, 2025.
- Flight 9 Airspace Profile: The FAA conducted a Tiered Environmental Assessment to cover modified launch trajectories that required temporary airspace closures over portions of the Bahamas and the Turks and Caicos Islands.
- Trajectory and Return Profile Expansion: On September 19, 2025, the agency released a Draft Tiered Environmental Assessment evaluating additional launch trajectories and Starship return-to-launch-site maneuvers. Public comments closed on October 20, 2025, after an October 7 virtual public meeting was cancelled due to a lapse in federal government funding. The review was subsequently finalized with a FONSI/ROD.
- Reentry and Eastern Trajectories: On July 13, 2026, the FAA published a draft review for Starship Pacific reentry contingency areas and an Eastern Range-to-Starbase flight trajectory. Public comments closed on August 3, 2026, leading to a Final Tiered EA and FONSI/ROD.
Mishap Investigations and Return-to-Flight Approvals
When a commercial rocket flight fails or deviates from its planned profile, the FAA initiates regulatory oversight to ensure the public remains protected. AST determines whether an in-flight anomaly qualifies as a mishap using the regulatory definitions in 14 CFR § 401.7 and the specific boundaries established in the operator’s license.
Under federal rules, the operator conducts the mishap investigation and submits a report. The FAA compliance and mishap guidelines specify that AST must independently review and formally accept the final report before closing the investigation. The launch operator must then implement all identified corrective actions and satisfy all safety licensing criteria before AST grants authorization to resume flight.
Mishap investigations from recent flight campaigns illustrate how this oversight operates:
- Starship Flight 1: Following the inaugural orbital test flight of Starship and Super Heavy on April 20, 2023, the FAA opened a formal mishap investigation. The agency closed the inquiry on September 8, 2023, citing multiple root causes for the anomaly. The FAA mandated 63 corrective actions, which required SpaceX to redesign launch pad infrastructure and perform qualification testing on the vehicle’s Autonomous Flight Safety System.
- Starship Flight 12: Starship Flight 12 launched from Boca Chica on May 22, 2026. Following the loss of the Super Heavy booster during flyback over the Gulf, the FAA classified the event as a mishap. SpaceX led the investigation under agency oversight. The FAA closed the inquiry on July 13, 2026, finding that the booster loss stemmed from heat effects on propulsion components during ascent alongside erroneous engine alarm system settings. The closure required four corrective actions. The agency confirmed that the event caused no public injuries and no damage to public property.
- New Glenn-3: On April 19, 2026, Blue Origin experienced an anomaly during the New Glenn-3 mission caused by a cryogenic propellant leak. The FAA required a mishap investigation and later closed it. Our New Glenn page covers how the rocket is built and what it launches.
- Falcon 9 Starlink 17-32: On February 2, 2026, an anomaly occurred on the second stage of a Falcon 9 during the Starlink 17-32 mission. The agency required a mishap investigation and later closed it. Our explainer on how Falcon 9 works covers the vehicle.
To enforce safety standards across the industry, AST maintains legal authority to issue civil financial penalties, suspend or revoke existing operator licenses, and execute immediate emergency stop-work orders.
Regulatory Streamlining and the Part 450 Reform Debate
The rapid expansion of commercial space launch cadences has sparked ongoing debate over the speed and flexibility of federal licensing.
On February 21, 2024, the FAA announced it would form an aerospace rulemaking committee to improve Part 450 licensing. On November 14, 2024, the agency formally chartered the Space Aerospace Rulemaking Committee, known as SpARC. The committee brought together representatives from commercial space companies and academic institutions to examine nine focus areas, including flight safety analyses, system safety protocols, and approved means of compliance.
The agency officially published the SpARC 450 Recommendation Report on March 12, 2026. The report carries the committee’s recommendations on its nine Part 450 topics.
A broader regulatory adjustment was initiated on July 28, 2026, when Transportation Secretary Sean P. Duffy announced a proposed FAA rule for commercial space licenses and permits. Building on the directives of the Executive Order titled Enabling Competition in the Commercial Space Industry, the proposed rulemaking would permit the FAA to waive requirements from 13 federal environmental and preservation statutes for qualifying commercial space licenses and permits. The covered statutes include:
- The National Environmental Policy Act (NEPA)
- The Endangered Species Act
- Applicable sections of the Clean Water Act
- The Clean Air Act
- The National Historic Preservation Act
The agency opened a 30-day public comment period following the announcement. Commenting on the regulatory initiative, FAA Administrator Bryan Bedford noted that the agency would not keep pace with rapid industry growth without modernizing, streamlining, and strengthening its regulatory framework. Whether the proposed rule has been finalized is not published as of September 2026.
Other Federal Agencies Regulating Space Operations
The FAA does not regulate every facet of an operational space mission. Launch and satellite companies must secure independent authorizations from several separate federal agencies before taking flight.
The Federal Communications Commission handles spectrum. Its FCC Space Bureau authorizes satellite and earth station systems used for space-based services and manages the use of scarce spectrum and orbital resources. On July 23, 2026, the FCC adopted a comprehensive overhaul of its Space Bureau licensing procedures. On August 25, 2026, the commission issued a notice seeking public comment on bolstering American commercial space launch capabilities.
Commercial imaging and Earth observation systems fall under the jurisdiction of the Department of Commerce. The division of Commercial Remote Sensing Regulatory Affairs, situated within the Office of Space Commerce, licenses private operators of remote sensing space systems. It administers these licenses under the National and Commercial Space Programs Act (codified at 51 U.S.C. § 60101) and Part 960 of Title 15 of the Code of Federal Regulations.
At OrbitalIntel, we track how these multi-agency regulatory processes intersect across launch pads, satellite networks, and spaceport developments.
The FCC Vote to Exempt Space Operations from NEPA Review
The Federal Communications Commission (FCC) scheduled a vote for its September 30, 2026 Open Commission Meeting on a Report and Order that overhauls the agency’s National Environmental Policy Act (NEPA) procedures. The draft order narrows which agency actions require an environmental review and speeds up reviews for the projects that still need one. Under the proposal, space-based operations are classified as not constituting a “major federal action,” which is the statutory trigger that mandates NEPA review.
The FCC has categorically excluded satellite licensing from environmental assessments since 1986. The September 2026 draft order goes further by placing space operations outside the statute’s reach entirely, rather than granting an administrative exemption from paperwork within it. The commission detailed that legal framework on the FCC September 2026 meeting agenda.
The agency’s legal rationale rests on two specific arguments. First, because the Outer Space Treaty bars any nation from claiming sovereign territory in space, the FCC argued that orbital activities are extraterritorial and fall outside domestic environmental law by definition. Second, the agency determined that issuing a radio frequency license gives it no control over how an operator builds, flies, or disposes of a spacecraft. Because a spectrum permit does not direct satellite operations, the commission concluded that spectrum licensing does not constitute the kind of action NEPA covers.
This draft rule stems from a January 2025 executive order that revoked Carter-era environmental review regulations and directed federal agencies to write their own NEPA implementing procedures. That government-wide shift also drives the FAA’s commercial space NEPA-waiver proposal examined in the regulatory streamlining section above. While the FAA proposal targets launch and re-entry licensing timelines, the FCC approach focuses on spacecraft in orbit.
The same September 30 meeting agenda paired the environmental review overhaul with actions to expand satellite spectrum. That package included an additional Report and Order and two Further Notices of Proposed Rulemaking to open fresh frequency bands for the American space economy. Those allocations are intended to support spacecraft control alongside emerging in-space servicing, assembly, and manufacturing missions.
Administrative Organization and Public Licensing Records
AST carries out its safety responsibilities through a structured administrative hierarchy. The office is organized under an Associate Administrator, a Deputy Associate Administrator, a Chief of Staff, and two primary operational divisions: the Office of Operational Safety and the Office of Strategic Management.
According to the FAA AST key officials directory, the leadership structure as of July 22, 2026, includes:
- Associate Administrator for Commercial Space Transportation: Vacant (Kelvin B. Coleman held the post as of November 2024)
- Deputy Associate Administrator: Dr. Minh Nguyen
- Chief of Staff: Matt Klein
- Executive Director, Office of Operational Safety: Katie L. Cranor
- Acting Executive Director, Office of Strategic Management: Randy Repcheck
Public records of commercial space authorizations, active vehicle operator licenses, and environmental assessment dockets are maintained on the FAA commercial space transportation portal. The portal publishes active license approvals, notices of upcoming environmental scoping meetings, and formal statements regarding closed mishap investigations. To verify a current license or environmental record, start at the FAA licenses page.