Two participants approached Kissinger and offered a disavowable means of communicating American thoughts to the Communist leadership.

Was ISI's seemingly inexplicable bidding strategy toward the Europa base contract an elaborate way to plant disavowable staff on Europa?

Where such an operation is to be wholly covert or disavowable, it may be assigned to CIA, provided that it is within the normal capabilities of the agency.

LEAD: Reagan Administration officials say they are waiting to hear more about what they described as an "informal, disavowable" Soviet suggestion for smoothing the way to a treaty limiting medium-range missiles.