The Army was "grappling with a range of new problems: military operations other than war, peacekeeping, and peace enforcement operations".

Russia claimed these actions were a necessary humanitarian intervention and peace enforcement.

What began as peacekeeping has turned into peace enforcement, without the resources or rules of engagement for military action.

If, however, peace enforcement were added to the mix, the other efforts would be undercut and the entire mission endangered.

"It's very much the trend that the U.N. is not in position to do peace enforcement."

Shoot-'em-up peace enforcement, on the other hand, is chapter seven.

Even in peace enforcement, moreover, self-restraint is the rule.

Asked what his approach would be this weekend, he said: "Peacekeeping and possibly peace enforcement, but we are not here to start a war."

But the rapidly shifting military and diplomatic fronts in Bosnia have suddenly transformed the prospects for peace enforcement from remote to at least possible.

The view of many on Capitol Hill is that peace enforcement and the training of one side are irreconcilable.