Which animal could the Israel Air Force someday be using for a new, more reliable propulsion system?

The IDF’s latest rocket is capable of launching a payload of up to 4,000 kilograms (8,600 pounds), capable of carrying up to 6,000 metric tons (19,300 tons) of payloads.This means that a rocket launcher could carry up to 200 metric tons of payload, enough to bring the Israeli military up to 1,000 kilometers (6,000 miles) …