Skepticism grows on defense reconciliation plan
The Trump administration’s plan to route $350 billion of its proposed $1.45 trillion fiscal 2027 defense budget through congressional reconciliation is running into growing skepticism on Capitol Hill.
The strategy would allow Republicans to move defense spending with a simple Senate majority, bypassing the 60-vote threshold that normally governs annual appropriations bills. The administration used the same tactic last year to secure roughly $150 billion in additional defense funding outside discretionary caps.
The 2027 proposal ties large portions of the Pentagon’s modernization agenda to reconciliation funding.
That plan includes about $12 billion in the Space Force’s proposed $71.4 billion budget, as well as most of the funding sought for the administration’s Golden Dome missile defense initiative.
Golden Dome, a planned layered missile defense architecture designed to use space-based sensors and interceptors, is particularly exposed. Of the program’s $17.5 billion fiscal 2027 request, $17.1 billion sits in the mandatory reconciliation package rather than the base budget.
Mike Tierney, legislative director of the National Security Space Association, said the mood on Capitol Hill has shifted noticeably over the past year.
“The general sentiment is that the political appetite to do another reconciliation is declining, and it's not where it was this time last year,” Tierney told an NSSA gathering last week.
In his assessment, “it's less than 50% likely that we get a 350 billion reconciliation bill.” If Republicans manage to pass it, he added, “It would have to occur, obviously, before November.”
Lawmakers in both parties are signaling discomfort with using reconciliation to fund major defense programs, arguing the approach risks eroding Congress’s traditional control over appropriations.
Some on Capitol Hill also worry that normalizing reconciliation for defense could permanently weaken the annual appropriations process and encourage future administrations to bypass traditional budget negotiations.
“Even Republican senators and members are saying, ‘maybe we need to return to regular order,’” Tierney said.
The administration argues the approach is necessary to accelerate military modernization, missile defense and industrial base expansion amid growing competition with China and Russia.
Pentagon space programs at risk
Without reconciliation, funding would be at risk for the Space Force’s planned Space Data Network mesh backbone, proliferated satellite communications systems and satellites intended to track airborne targets.
Even without reconciliation, however, the Space Force would still see a substantial increase. The service received $31.6 billion in fiscal 2026 and would retain nearly $60 billion in discretionary funding under the 2027 request even if reconciliation funding falls away.
“That forestalls the impact of any future reconciliation not happening,” Tierney said.
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