Are you implying that "aircraft carrier balloons" had to be long to accommodate a runway on top? This is not how they worked. Instead, planes were launched and

Are you implying that "aircraft carrier balloons" had to be long to accommodate a runway on top? This is not how they worked. Instead, planes were launched and recovered from the bottom of the balloon. https://en.m.wikipedia.org/wiki/Curtiss_F9C_Sparrowhawk https://en.m.wikipedia.org/wiki/Curtiss_F9C_Sparrowhawk