The U.S. Army is seeking information on commercial-off-the-shelf protocol-agnostic inline network encryption devices for its Sensitive But Unclassified Encrypted networks, operating at OSI Layer 1 or 2. Responses are due 15 days from posting or by June 10, 2026, via white paper submissions. No budget information is specified. The location for performance is not mentioned. This is a market research request only, not a solicitation, and does not commit the government to any future contract.