In April, "Teaser", "Yankee", , , and accompanied an Army expedition to Machodoc Creek, Virginia. At 5:00 A.M. on April 13, the five ships cleared the St. Mary's River in company with the Army's steamer USAT "Long Branch" with a battalion of soldiers under the command of General Edward W. Hinks. "Long Branch" landed her troops at about 8:00 A.M. while the five ships covered the operation. A contingent of Confederate cavalry appeared on the southern bank of the Machodoc, but retired when "Teaser" and "Anacostia" sent four armed boat crews ashore. The landing party netted a prisoner, probably a smuggler, and a large quantity of tobacco. By April 14, General Hinks' troops reembarked in "Long Branch" and headed for Point Lookout. "Anacostia" accompanied the Army steamer while the other four warships investigated Currioman Bay and Nomini. They returned to St. Mary's, Virginia that afternoon to resume patrols.