A technician from Canadian Aviation Engineering (CAE) Health Care assembles a human simulator for a demonstration on using simulators instead of animals in teaching battlefield trauma to medical personnel, during a briefing, February 10, 2016, on Capitol Hill, in Washington, DC. A bill is before Congress proposing cost savings by using the technology and sparing animals, which is supported by People for the Ethical Treatment of Animals (PETA). Photo by Mike Theiler/UPI