Complex sentence: Instead, everything was staked on the beachhead; more than 3,000 kamikazes would be sent to attack the amphibious transports before troops and cargo were disembarked on the beach.
Split into simpler sentences: Instead, everything was staked on the beachhead. More than 3,000 kamikazes would be sent to attack the amphibious fleet before the troops and cargo were disembarked on the beach.