 NEW YORK, June 9, 2021 PRNewswire -- Rapid Reliable Testing RRT, a business line of Ambulnz, Inc. dba DocGo, a leading provider of last-mile telehealth and integrated medical mobility services that has entered into an agreement to merge with Motion Acquisition Corp. Nasdaq: MOTN, today announced it is working with Carnival Corporation on COVID-19 testing and COVID-19 vaccines for crew members as it prepares for the restart of cruising in the U.S., with plans to also test guests once cruises resume. RRT and Carnival Corporation, whose nine cruise line brands include namesake Carnival Cruise Line, Holland America Line, Princess Cruises and Seabourn in the U.S., have completed initial phases of a crew member testing process. 