A joint military training exercise between Bangladesh and the United States of America called `Tiger Shark-4′ is scheduled to begin on Sunday. According to a press release of the Inter Services Public Relations Directorate issued in Dhaka on Tuesday, the US military personnel are scheduled to arrive in Bangladesh today to participate in the week long joint exercise with personnel of the Bangladesh Army, Navy and Air Force. Personnel from other law enforcing agencies of Bangladesh like the Coast Guard and Bangladesh Police will also participate in a limited way in the exercise which will mostly be conducted in Chittagong and Sylhet areas. Approximately 500 personnel, few helicopters and Navy ships from Bangladesh side and almost 350 personnel, few aircrafts, helicopters and Navy ships from US armed forces will take part in the exercise which is aimed at enhance training cooperation and capacity building between the two countries in the field of counter- terrorism.