cease-fire talks are said to begin in hopes of ending the civil war. >> thank you. this independence day will be extra special for two vietnam army veterans. they are the first to receive new robotic arms that offer unprecedented near natural movement. it is being called the world's most advanced commercial prosthetic. they join us live. so this technology is really about making the lives of some very deserving people much better. >> it's astounding. this is really about independence. it's independence day weekend and this is about giving independence back to people who are so deserving. they are the first to that have received this bionic arm among the veterans. it's called the life under kinetic evolution. it was developed by the defense research agency known as darpa.