GAO decisions B-424201.3 and B-424201.4, issued June 22, 2026, denied AVMAC LLC's bid protest and left a $31,444,000.72 Marine Corps contract for MV-22 Osprey tiltrotor maintenance services with Strategic Technology Institute, Inc. The award, made through GSA's ASTRO indefinite-delivery, indefinite-quantity vehicle, withstood challenges to the agency's technical evaluation, its conduct of corrective action discussions, and its source selection methodology.
Background
The General Services Administration issued solicitation RFP 47QFSA25R0008 on behalf of the U.S. Marine Corps, seeking maintenance services for MV-22 Osprey tiltrotor aircraft. The MV-22 performs both rotary-wing vertical takeoff and landing and fixed-wing cruise flight, serving as a primary assault transport aircraft for Marine expeditionary operations. Maintenance service continuity is directly tied to the platform's operational readiness. The procurement flowed through GSA's ASTRO IDIQ, a multi-award contract vehicle that allows the Department of Defense and other agencies to compete task orders among a pool of pre-qualified technical service providers.
Seven proposals were received. Award criteria included four factors — technical approach, staffing, corporate experience, and price — with non-price factors weighted as significantly more important than price. AVMAC LLC, headquartered in Chesapeake, Virginia, competed against Strategic Technology Institute, Inc. (STI) of Rockville, Maryland, and five other offerors. GSA awarded the contract to STI, the lowest-priced offeror, at $31,444,000.72. AVMAC filed a protest at GAO raising multiple grounds challenging the award.
Key Details
Proposal evaluation challenge. AVMAC argued that GSA misevaluated its technical approach, proposed staffing, and corporate experience, contending the agency underrated its submission.
GAO denied AVMAC's challenges to the evaluation of its own proposals on the merits. On the technical approach and staffing grounds, GAO found the agency reasonably concluded that aspects of AVMAC's submission merely met requirements rather than exceeding them and declined to substitute its own judgment for the agency's.
GAO separately dismissed AVMAC's challenges directed at STI's evaluation for lack of standing. AVMAC's evaluated price of $35,674,074 ranked fourth lowest among the seven proposals, with two offerors positioned between STI and AVMAC on price. Under GAO's standing doctrine, a protester must demonstrate it would be in line for award if the protest were sustained. Because those two lower-priced competitors would be considered before AVMAC in any re-evaluation following STI's hypothetical disqualification, AVMAC could not establish it was next in line. Without that showing, GAO dismissed those arguments.
On the corporate experience factor, GAO denied the challenge on the merits. The solicitation permitted evaluators to credit tiltrotor-specific aircraft maintenance experience, and the agency applied that standard consistently across offerors. GAO found the evaluation of corporate experience reasonable.
Limited corrective action discussions. During a corrective action period, GSA conducted discussions solely with STI, not with all offerors in the competitive range. AVMAC argued this was improper — that reopening discussions for one competitor entitled every offeror to the same opportunity.
GAO denied this ground. The corrective action addressed a specific, previously undetected proposal deficiency in STI's submission. The discussions were targeted at that discrete problem rather than an open invitation for STI to broadly revise its proposal. GAO held that when an agency's corrective action is properly scoped to address an identified evaluation error, limiting further discussions to the affected offeror falls within the agency's discretion. The agency was not required to reopen the entire competition each time it fixed a discrete procedural error.
Best-value versus lowest-price-technically-acceptable. AVMAC's third ground alleged that GSA improperly converted the procurement from a best-value competition into an LPTA selection by allowing price alone to decide the outcome.
GAO denied this ground. The record demonstrated that the agency conducted a substantive comparative analysis of the technical proposals. GAO found that the evaluation record supported the source selection decision as a proper best-value tradeoff and that the agency was not required to manufacture distinctions among proposals to justify a price-based selection. The challenge failed because the record showed a genuine comparative analysis, not a mechanical default to lowest price.
Award value. STI's contract price of $31,444,000.72 covers maintenance services for MV-22 Osprey aircraft. Because AVMAC ranked fourth on price among the seven competitors, the standing ruling carried a direct practical consequence: even if AVMAC had prevailed on its challenges to STI's evaluation, it would not have advanced to the award position.
What It Means for Contractors
Map the competitive field before filing. Standing is not a formality — it drives whether a protest can succeed in any practical sense. Before committing to a multi-ground challenge, offerors should identify where they ranked relative to other firms on both price and technical merit. A protest that removes the awardee from the competition does not automatically move the protester into the award position if lower-priced, technically acceptable competitors remain in the field. GAO will dismiss protest grounds where the practical path to award does not run through the protester.
Corrective action discussions are scoped, not global. When an agency reopens discussions during corrective action, it is not required to extend that opportunity to all offerors. The governing question is whether the corrective action is appropriately limited to the identified evaluation error. Competitors expecting a fresh competitive round every time an agency corrects a procedural mistake will find that GAO does not support that reading.
Evaluation record management matters as much as proposal quality. The best-value challenge failed because the agency's record demonstrated a substantive comparative analysis. In best-value procurements, offerors who raise identifiable, documentable strengths that evaluators can specifically credit are better positioned than those who submit technically strong proposals without features the record can distinguish. Where the evaluation record supports the tradeoff, GAO will uphold it — and where it does not, that is the vulnerability worth protecting against.
GSA's ASTRO IDIQ vehicle provides a pre-competed channel for the Department of Defense to source technical services without rerunning a full open competition for each task order. As DoD agencies continue placing task orders through ASTRO and similar multi-award vehicles, the standing doctrine and best-value questions addressed in B-424201.3 and B-424201.4 will remain relevant to contractors tracking how awards are decided and challenged.
