She is now home-ported in Newport, Rhode Island, following a one year long Midlife Maintenance Availability (MMA) in Baltimore, Maryland.

In addition to her primary ATON role, Sycamore also performs other duties, such as, marine environmental protection, maritime law enforcement, domestic icebreaking, search and rescue, and homeland security missions.

[3] She has a single controllable-pitch propeller, which along with bow and stern thrusters, allow the ship to be maneuvered to set buoys close offshore and in restricted waters.

[3] USCGC Sycamore has an area of responsibility within the First Coast Guard District which covers the U.S. states of Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, and New York.

[2] On 1 August 2006 Sycamore assisted the National Oceanic and Atmospheric Administration (NOAA) by transporting a towing assessment team to the stricken vessel MV Cougar Ace which was listing severely and in danger of sinking.