Opposition to the peace plan was virtually unanimous among Serbian voters who spoke with reporters at the Serbian nationalist headquarters in this Alpine town 15 miles southeast of Sarajevo, the Bosnian capital.

But the suffering caused by the war, at least to the Muslims who have been the principal victims of "ethnic cleansing," appeared to have had little impact on the voters in Pale, the Serbian nationalist headquarters.

One Albanian had been killed and two Serb soldiers wounded when ethnic Albanians apparently attacked Serbian headquarters in Pristina, the capital of Kosovo, on Nov. 11.

Instead, the United Nations commander, Lieut. Gen. Sir Michael Rose of Britain, spent most of the day ferrying a draft cease-fire plan between the Bosnian and Serbian headquarters.

When a Serbian sniper fires into Sarajevo, planes should hit the Serbian military headquarters in Pale.

In Belgrade and in Pale, the Serbian nationalist headquarters in the mountains outside Sarajevo, the prospect of the airdrop prompted a mixture of threat and compliance.

A visitor in Pale, the Serbian headquarters, found Serbian officials and ordinary people shopping in the town center anxiously discussing the threat of u.S. Military action.

If they do not, order air attacks on Serbian military headquarters, supply dumps and troop concentrations in Bosnia - and in Serbia.

When the plan was announced at the Serbian headquarters in Pale, southeast of Sarajevo, it was presented as a Serbian move.

The impact of the warnings was clear this morning to two reporters visiting Pale, the mountain town southeast of Sarajevo that is the Serbian headquarters.