March With the move of B Company from Vinh Long in IV Corps Tactical Zone back to Long Binh Post in III Corps Tactical Zone, a five soldier detachment of MPs from B Company remained assigned to Military Assistance Command (MACV) Advisory Team #68 in Vinh Long. SGT Carl W. Singleton, Noncommissioned Officer In Charge, and LTC Dewitt Hudson, Provost Marshal of IV Corps Tactical Zone oversaw daily operations. This detachment, equipped with two V100 armored cars, continued the convoy escort duties. When required, their manpower was augmented by MPs from B Company Headquarters at Long Binh Post.