NEPTUNE Act
- Sponsor
- Rep. Miller, Max L. [R-OH-7]
- Committees
- Armed Services Committee (primary)
- Last action
- Jul 23, 2025
Bottom line
The NEPTUNE Act aims to modernize and expand the Navy's capability to lay and repair critical undersea telecommunications cables, while preventing a temporary loss of this strategic asset.
What it actually does
This bill authorizes the Secretary of the Navy to enter into contracts for the construction of up to two new submarine cable laying and repair ships. It also prohibits the retirement of the existing USNS Zeus, a submarine cable laying and repair ship, until a replacement ship with equal or superior capabilities achieves full operational status, ensuring no gap in critical undersea infrastructure support.
Proponents argue
Supporters argue that this bill is crucial for national security, as submarine cables are vital for global communications and military operations. Modernizing the fleet ensures the United States can maintain and protect its undersea network infrastructure against potential threats and natural disruptions, safeguarding economic and strategic interests. Preventing the premature retirement of the USNS Zeus ensures continuous operational capability during the transition.
Opponents contend
Critics might raise concerns about the cost of constructing new ships, especially without a clear CBO score, and question the immediate necessity of two new vessels versus other defense priorities. Some may argue that existing commercial capabilities could be leveraged more efficiently, or that the timeline for replacement could be expedited to avoid prolonged reliance on an aging vessel.
The bill is exceptionally short and clear, making it very accessible for any reader to understand its core provisions quickly.
Section 2(a)
Contract Authority for New Submarine Cable Ships
This provision grants the Secretary of the Navy the authority to enter into a contract for the construction of up to two new ships specifically designed for laying and repairing submarine cables, along with any necessary associated equipment. This directly enables the expansion and modernization of the Navy's specialized fleet for undersea infrastructure.
Supporters argue
Proponents assert that new, technologically advanced ships are essential to meet evolving national security demands and protect vital undersea communication infrastructure. They argue that current capabilities may be insufficient or aging, necessitating this investment to ensure global connectivity and military readiness.
Critics contend
Opponents, if any, might argue that the cost associated with building new ships could be substantial and that alternative solutions, such as leveraging commercial vessels or upgrading existing ones, should be thoroughly explored before committing to new construction.
Tradeoffs
This provision balances the need for enhanced strategic capabilities with the significant financial investment required for new shipbuilding, potentially diverting funds from other defense priorities.
Section 3(a)
Limitation on Retirement of USNS Zeus
This section prevents the Secretary of the Navy from retiring, preparing to retire, or placing in storage the USNS Zeus, which is the Navy's current submarine cable laying and repair ship. This prohibition remains in effect until a new replacement ship, offering capabilities equal to or greater than the Zeus, has achieved full operational capability.