Planetary Radio: Space Exploration, Astronomy and Science
Planetary Radio: Space Exploration, Astronomy and Science

Planetary Radio Extra: Our Space Policy Experts Analyze NASA's Proposed 2017 Budget

Casey Dreier, the Planetary Society's Director of Space Policy, and Jason Callahan, the Society's Space Policy Advisor, talk with Mat Kaplan about the just-released "President's Budget Request" for the fiscal year starting in October of 2016.Learn more about your ad choices.

Featured Speakers

The Planetary Society HostCasey Dreyer GuestJason Callahan Guest

Topics Discussed

Episode Summary

Executive Summary: The episode breaks down the Obama administration’s 2017 NASA budget request and its political context, especially the tension between discretionary and mandatory spending. Casey Dreyer and Jason Callahan argue the planetary science request is a high-water mark overall, but Europa funding, Mars infrastructure, SLS/Orion, commercial crew, and ARM reveal major tradeoffs, election-year uncertainty, and the growing influence of congressional priorities.

Main Topics: Federal budget process and discretionary vs. mandatory spending: The hosts explain how the president’s budget request launches the appropriations cycle and why the mandatory/discretionary split matters. A large share of the request is routed through a controversial mandatory-spending mechanism intended to evade discretionary caps. Planetary science funding and Europa: Planetary science receives strong overall support, with the highest-ever request from this administration, but Europa is cut sharply, making the 2022 lander/orbiter goal difficult and potentially destabilizing the mission schedule and broader program balance. Ocean worlds and the Decadal Survey: NASA’s push to elevate ocean worlds—Europa, Titan, Enceladus—creates tension with the community-driven Decadal Survey, even as it may help build a sustained outer-planets program and future mission cadence. Mars infrastructure and extended missions: The discussion highlights the need for continued Mars orbiters, telecom relay capacity, and support for current extended missions. The program is framed as infrastructure, not just science, and as a prerequisite for both robots and future humans. Big-ticket human exploration programs: SLS/Orion, Commercial Crew, ARM, and habitat development are examined as examples of Congress-versus-White-House priorities, funding instability, and uncertain program direction amid election-year politics. Mission execution success: OSIRIS-REx, Webb, plutonium-238: The episode notes several positive signs: OSIRIS-REx is under budget, JWST remains on track, and plutonium-238 production is advancing, though slowly. These are portrayed as crucial enablers for future exploration.

Key Arguments: The president’s budget request matters because it sets the administration’s priorities even though Congress can alter or ignore it. Mandatory spending is the dominant share of the federal budget, so debates over NASA are really debates over only a small slice of total spending. The administration’s use of mandatory spending for NASA is unprecedented and makes the request harder to interpret as a true priority document. Planetary science is in much better shape than a few years earlier, but Europa’s proposed funding is far too low for a 2022 launch and lander schedule. Ocean worlds deserve more attention, but moving ahead of the Decadal Survey risks undermining a trusted community process. OSIRIS-REx shows NASA can deliver missions under budget, and that savings can support other planetary science needs. Mars exploration requires communications and relay infrastructure; without new orbiters, rovers and future human missions will be severely constrained. SLS/Orion remain politically protected but inefficiently managed because Congress and the White House keep funding them at very different levels. Commercial Crew is finally approaching operational launches and is a better example of a program following a rational development curve. ARM appears to have lost momentum; low funding and schedule slippage suggest the mission is waiting on election outcomes rather than being aggressively pursued.

Data Points: NASA top-line budget request: $19 billion - President’s proposed NASA budget for FY2017 Mandatory spending in request: Just under $800 million - Proposed NASA spending moved to mandatory accounts to exceed discretionary caps Congressional/White House budget agreement: Two-year discretionary spending deal - The administration proposed bypassing those caps for some R&D spending Planetary science request: $1.52 billion - Highest planetary science request ever from this president Europa funding request: About $50 million - Too small to support a 2022 Europa mission and lander schedule Estimated Europa mission cost: About $2 billion plus lander costs - Mission scale discussed in relation to congressional mandate Europa 2020 funding curve: About $630 million in 2020 - NASA-provided estimate for a 2022 Europa launch path Europa mission total estimate: About $2.3 billion - NASA estimate cited in discussion of development and launch timing Planetary science needed for 2022 Europa schedule: $2.2–$2.3 billion per year - Required annual planetary science budget to absorb Europa plus other missions OSIRIS-REx under budget: About $78 million below expected development cost - Savings available for other planetary science uses Mars telecom data rate: Tens of kilobits per second - Direct rover-to-Earth communication is slow compared with orbiter relay Mars relay data rate: Much higher megabits per second - Used by orbiters to support rover communications Mars extended missions funding status: Fully funded through the year - Except that Mars missions are funded via the proposed mandatory funding gimmick Plutonium-238 production: About 15 million a year - Funding level for restarting domestic radioisotope power supply production Plutonium-238 annual output target: 1.5 kilograms per year - Projected production capability for future missions SLS funding request: $1.3 billion - White House proposal after Congress’s higher prior-year funding Commercial Crew request: $1.15 billion - Administration request; expected to decline as development peaks and services begin ARM request: $66 million - Robotic asteroid retrieval mission funding in FY2017 request Habitat development request: $90 million - Cislunar/lunar habitat work proposed for the 2020s James Webb Space Telescope launch target: 2018 - Project described as largely on track after development problems were resolved Planned Mars mission planning funds: About $10–$12 million per year - Allocated to begin studying the next Mars mission after Mars 2020 Mars 2020 and Mars 2020-related timing: 2020 launch discussed; orbiter needed by 2022–2023 - Need for replacement communications asset before older orbiters fail Budget process start date: February 9 - Date the president’s budget request was released Fiscal year start: October 1 - Deadline referenced for budget passage and continuing resolutions

Pivotal Quotes: "The core of budget season begins with the president's budget request, or as hipsters call it, PBR." — Casey Dreyer: Opening explanation of the federal budget process "NASA's not the problem." — Casey Dreyer: Argument that public debate often overfocuses on NASA while mandatory spending dominates federal outlays "The beauty of the Budget is in the eye of the BEHOLDER." — Jason Callahan: Discussing the highly contingent and politicized nature of the budget process and Europa-related politics

Implications: The request is favorable for planetary science overall, but election-year politics, congressional priorities, and unstable funding mechanisms could reshape nearly every major NASA program. Future success depends on consistent funding, schedule realism, and respect for the Decadal Survey.

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