National Nuclear Security Administration: Use of Line Items in Management and Operating Contracts Could Be Improved

TL;DR

GAO found that the National Nuclear Security Administration (NNSA) has introduced contract line items into some management and operating (M&O) contracts beginning in 2014 but has used them only minimally—especially for construction projects—through June 2026. Five of 21 capital asset projects with approved performance baselines are covered by separate line items; a few smaller or former-contract projects were completed as separate line items, and NNSA officials are considering at least two more. Line items can improve transparency and enable separate contractor fee plans and performance evaluations, but they also impose additional administrative cost and effort. NNSA has not documented criteria for when to use line items nor fully captured lessons learned, so contracting officers may apply inconsistent approaches and miss opportunities to improve accountability and contractor performance. Over the next decade NNSA plans significant modernization investment, and in FY2025 it spent close to $24 billion on multi-year M&O contracts—so potential changes to line-item usage have immediate implications for capture, contract management, and proposal planning for firms that work in affected segments. Contractors should evaluate their M&O contract positions now, document lessons learned, and align capture and compliance workflows to respond if NNSA expands use of line items.

Key Points

• What happened: GAO reviewed NNSA’s use of contract line item numbers in M&O contracts and found limited use since 2014, with five of 21 capital asset projects covered by separate line items as of June 2026; NNSA has not documented decision criteria or fully captured lessons learned.
• Who is affected: NAICS segments and market segments in the event segmentation — 237990, 541330, 541690, 541715, 236220, 237110, 541380; agencies: DOE, NNSA; contract vehicle: M&O Contracts; market segments include Nuclear Security, Construction, Facilities Management, Research and Development, Defense, Engineering Services, Program Management.
• Timeline: Since 2014 introduction of line items; status reported as of June 2026; NNSA plans large modernization over the next decade; FY2025 spending close to $24 billion on M&O contracts.
• What contractors should do NOW: Audit existing M&O contract scopes for potential separable deliverables, capture lessons learned into your bid/no‑bid and compliance processes, prepare models for separate fee/performance evaluation accounting, and activate Cabrillo Signals saved searches and capture workflows to detect and respond to NNSA line-item solicitations.

Who Is Affected

Specific NAICS codes, agencies, and contract vehicles pending source review.

(From event segmentation: anticipated impact on NAICS 237990, 541330, 541690, 541715, 236220, 237110, 541380; agencies DOE and NNSA; M&O Contracts; compliance surfaces include FAR (Federal Acquisition Regulation), DOE Acquisition Regulations, and Nuclear Security Requirements.)

Frequently Asked Questions

Q: Has NNSA broadly adopted separate contract line items across its sites?

A: No. GAO found limited adoption: line items were introduced in 2014 but as of June 2026 only five of 21 capital asset projects with approved performance baselines were covered by separate line items; a small number of projects were completed as separate line items and NNSA officials are considering at least two additional projects.

Q: Do line items affect contractor fee and performance evaluations?

A: Yes. According to NNSA officials and M&O contractor representatives, separate line items can enable separate contractor fee plans and performance evaluations for high‑risk, high‑value projects, but those separate plans require additional administrative resources to implement.

Q: Will NNSA require consistent criteria for using line items going forward?

A: GAO found that NNSA has not documented criteria for deciding when to use separate line items and has not fully documented lessons learned. Whether NNSA will formalize criteria or document lessons learned is pending source review.

Definitions

• Contract line item number (line item): A contract element that captures information about separately identifiable goods and services the government seeks to acquire within the overall contract scope.
• Management and Operating (M&O) contract: A government contract structure used by NNSA and DOE to run government-owned, contractor-operated sites and acquire work across site activities.

Intelligence Response

• Cabrillo Signals War Room — Already detected this event and delivered this briefing. Continuously monitors regulatory changes, contract vehicles, and policy shifts to flag shifts in M&O contract practices.
• Cabrillo Signals Match Engine — Rescores opportunity pipelines immediately when changes like expanded line‑item usage alter the competitive landscape or opportunity prioritization.
• Cabrillo Signals Intelligence Hub — Tracks affected agencies, NAICS codes, and M&O contract vehicles; saved searches and alerts will notify teams when follow-on solicitations or contract modifications appear on SAM.gov (System for Award Management).
• Proposal Studio (Proposal OS) & Proposal Studio Workflow Tracker — Use Proposal OS to build compliance matrices and win themes reflecting separate line‑item approaches and the Workflow Tracker to route capture actions through a 9-gate process with audit-ready documentation.

Who to notify now: BD/capture lead, proposal manager, contracts manager, program manager, pricing lead, and security/compliance lead. Use the following first 48‑hour playbook.

First 48‑hour response playbook

• Hour 0–4: Ingest this GAO finding into Cabrillo Signals War Room; create an immediate alert and assign BD/capture lead. Run Match Engine to rescore active opportunity pipeline for DOE/NNSA M&O Contracts.
• Hour 4–12: Use Intelligence Hub saved searches for DOE/NNSA, relevant NAICS codes, and M&O contract vehicles. Start a capture folder in Proposal Studio and populate compliance matrix with FAR and DOE Acquisition Regulations checkpoints.
• Hour 12–24: Conduct rapid internal review of current M&O contract positions and separable deliverables; document lessons learned and estimation impacts for separate fee/performance evaluation tracks.
• Hour 24–48: Finalize triage (bid/no‑bid) decision using Proposal Studio’s bid/no‑bid engine, route capture plan through Proposal Studio Workflow Tracker 9‑gate process, and prepare outreach plan for NNSA points of contact.

Relevant Cabrillo assets and guides: Winning Federal Contracts Guide (/insights/winning-federal-contracts); for security and compliance, see CMMC (Cybersecurity Maturity Model Certification) Compliance Guide (/insights/cmmc-compliance-guide) and CUI (Controlled Unclassified Information)-Safe CRM Guide (/insights/cui-safe-crm-guide).