Just south of Termez, at Heratan, on the Amu Darya river, diplomats understand that a reinforced steel bridge is being constructed. The aim, it would seem, is to improve the roads and garrison facilities right from the Soviet border to KabulRussians switch to commando-type raids in Afghanistan, Karan Thapar, The Times, 19 September 1980, p1 and p6 (Issue 60728; col C)