The Department of Defense, specifically the U.S. Army Corps of Engineers (USACE) San Francisco District, is seeking responses from interested suppliers regarding the procurement of acoustic transmitter tags. This opportunity involves a potential contract modification for a second-year option with HTI-VEMCO USA Inc., focusing on the supply of various acoustic tagging equipment and technical support for data processing and tagging. The goods are critical for monitoring aquatic environments and ensuring effective data collection for environmental studies. Interested parties must submit their capabilities and relevant information to James Neal at james.neal@usace.army.mil by 12:00 PM (PDT) on February 7, 2025, as this notice is not a request for quotes and no solicitation document will be provided.