I have scanned the foregoing pages and they are full of words like guess, think and assume. May I suggest that honourable members do some research as most of their speculations are wrong. I'll provide the link below as a start. There is a huge amount of information out there.
Royal Aeronautical Society | Insight Blog | Airship resurrection
It is also worth noting that those misty eyed romantics that run Lockheed Martin are also spending money on a similar programme to HAV.
While constantly comparing HAV to the airships of the 1930s makes about as much sense as comparing an A350 to a Ju52, if you must look at history, try looking at the almost forgotten achievements of the US airship service from 1942.
Navy's Lighter-Than-Air Experience Monograph