Major Fisher was the first to realize the problem. He cautiously looked at Shire, his eyes filled with uncertainty: "Sir, if the rockets are fixed on the vertical struts of the biplane, does that mean... only the biplanes can carry them?"
"Yes!" Shire nodded.
Only biplanes have vertical struts. Monoplanes, firstly, lack space, and secondly, they use a lot of linen for the skinning, making them easily burned through or ignited by tail flames and thus unable to carry rockets.
This was why he felt disappointed when he saw the "Pigeon Monoplane" in the hangar.
The pilots and Major Fisher instantly showed difficulty in their expressions; they had only two biplanes, and including Eric's "Aphro," there were only three.
Fisher gradually understood why Shire insisted on having Eric join.
However, with three planes carrying rockets, is it realistic to destroy the balloons and bomb "Big Bertha" at the same time?
Someone soon backed off:
