 Complete the following phrase:  The only major defense establishment on Port Royal Island was Fort Lyttelton, which was garrisoned by a company of Continental Army troops under Captain John DeTreville. When he learned that a comparatively large British force was moving in his direction, he spiked the forts cannons and blew up its main bastion in order to deny their use to the superior force. When General Lincoln learned that communications with Port Royal Island had been cut off by the British advance, he sent South Carolina Brigadier General William Moultrie, who had distinguished himself in the 1776 