Complex sentence: With few weapons, Jumpships are generally regarded as off limits to all combat save boarding actions and actions directed at the solar sail, he latter less common as the loss of the solar sail would mean extensive repairs to make the jumpship's KF-drive operational.
Split into simpler sentences: With few weapons, Jumpships are generally regarded as off limits to all combat save boarding actions, and actions directed at the solar sail. The latter less being less common, as the loss of the solar sail would mean extensive repairs to make the jumpship's KF-drive operational.