Complex sentence: He forced an Americanization of many logistics procedures within the Cambodian military, and along with Kissinger and the Joint Chiefs of Staff, prevailed over the U.S. Embassy in Cambodia and U.S. Defense Secretary Melvin Laird in adopting a militarization of American policy with regard to that country.
Split into simpler sentences: He forced an Americanization of many logistics procedures within the Cambodian military. He sided with Kissinger and the Joint Chiefs of Staff as they prevailed over the U.S. Embassy in Cambodia and U.S. Defense Secretary Melvin Laird in adopting a militarization of American policy with regard to that country.