National Aeronautics and Space Administration OIG

NASA is developing a second mobile launcher (ML-2)—the ground structure used to assemble, transport, and launch the Space Launch System (SLS) rocket and Orion crew capsule—to support larger variants of the SLS beginning with the Artemis IV mission. ML-2’s cost and schedule are not sustainable...

Artemis IV will be the first flight of NASA’s more powerful heavy-lift rocket—the Space Launch System Block 1B. However, Block 1B development efforts have encountered multiple issues including Boeing’s ineffective quality management and inexperienced workforce, continued cost increases and schedule...

We assessed the Nancy Grace Roman Space Telescope project, a NASA observatory designed to explore dark energy, exoplanets, and infrared astrophysics, to determine if NASA is managing the risks and mitigating future challenges with the Roman telescope while meeting its cost, schedule, and...

NASA’s Commercial Lunar Payload Services (CLPS) initiative was designed to provide rapid, affordable, and frequent payload deliveries to the Moon via commercial lunar landers. In this report, we assessed NASA’s management of the CLPS initiative.

Our Semiannual Report to Congress covering the period October 1, 2023 to March 31, 2024, features highlights of the OIG’s audit and investigations accomplishments during the past 6 months.

Congress enacted the Payment Integrity Information Act (PIIA) in 2019 to help agencies identify and reduce improper payments. For this mandated audit, we evaluated NASA’s compliance with PIIA requirements in fiscal year 2023.