Momsen was also involved in the first successful rescue of a crew of a sunken submarine, USS Squalus, and subsequently supervised the salvage of the boat.

[1] The construction of Momsen and sister ship Chafee, from initial steelcutting to sea trials, was documented on the Discovery Channel television special Destroyer: Forged in Steel.

[2] As of 2019, Momsen is serving in the Pacific Fleet, homeported in NAVSTA Everett, Washington, and recently assigned to Destroyer Squadron 31 based at Pearl Harbor, Hawaii.

During the six-month cruise, the ship conducted training and operations throughout Southeast Asia and the Western Pacific in the U.S. 7th Fleet area of responsibility.

On 2 February 2011, Momsen, with the guided-missile cruiser Bunker Hill, responded to a distress call from the Panamanian-flag merchant vessel Duqm in the Gulf of Oman.

"[6] On 28 October 2011 Wylie pleaded guilty to sexual assault and rape, and was sentenced by court martial to 42 months imprisonment and loss of all navy benefits.

[10] On November 29, 2022 a webcam overlooking San Diego Bay has captured an apparent near collision between U.S. warships whose crews had to deploy evasive maneuvers.