The original NASA project F.I.R.E.S. = Firefighter Integrated Response Ensemble System that was tested in the late 1970s had a solid frame to hold the SCBA bottle in place. It was very comfortable. and very light. But it cost too much so the later, Production Verson, the Scoff 4.5 used the wire frame design. It was not as good as the NASA design, but it was much better than old FDNY Scott 1As. I was detailed to the Div. of Training, "The Rock" to test the NASA mask, in test fires at the "Rock". I was assigned to TL-18 and was the representative for the FDNY 1st Division 4th Battalion, because I was a Fire Science student. The New SCBA Facepieces and Nomex Bunker gear also came out of that NASA Technical Utilization Program.
Captain Bob Rainey FDNY Engine 26 retired.