 Progress on the Hermes A-3 until it was divided into an A-3A (RV-A-8) test vehicle and the A-3B (SSM-A-16) which was intended to be an operational missile with a W-5 nuclear warhead.A total of seven RV-A-8 were launches and five of them were either partial or total failures.The A-3B (SS-A-16) was slightly larger than the RV-A-8 and the last produced and tested vehicle of the Hermes missile program.