A US Air Force C-130J Super Hercules recently touched down at the Shah Amanat International Airport in Chittagong. It is a tactical transport aeroplane normally based at the US Air Force’s Yokota station in Japan. This comes in the backdrop of the US, Bangladesh and Sri Lanka launching the ‘Pacific Angel 25-3’ exercises at Bangladesh Air Force Zahurul Haque base in Chittagong. Here’s what we know