 At year's end some of the fiercest fighting of the war is reported from the garrison town of Khost, eastern Afghanistan, where Soviet-backed government forces are attempting to end a guerrilla siege of the town.Morale in the Afghan military is low.Men are drafted only to desert at the earliest opportunity, and the Afghan military has dropped from its 1978 strength of 105,000 to about 20,000-30,000 by 1987.