 The Navy also donated several Nasty-class PT boats, and training crews for them, for operational purposes.At the same time, the operational plan was expanded, with much more and more ambitious missions, into what became known as Operational Plan (OPLAN) 34A, which essentially shifted the focus to offshore assaults on coastal installations of the Democratic Republic of Vietnam (DRV or North Vietnam), while agent insertion operations still continued.These however, were discontinued after they realized that most of the agents they were running had been captured and/or turned, and psychological operations were stepped up.