Crew aboard the Survey Vessel CATLETT help a boater come aboard from his disabled vessel in the Chesapeake Bay during a rescue operation Thursday April 5, 2018. The CATLETT’s U.S. Army Corps of Engineers crew was conducting a routine condition survey of the Tolchester Channel when she responded to a mayday call, rescuing the boater and bringing him back to the Corps of Engineers’ facility at Fort McHenry where local emergency medical services assisted him further.