[2]: 13 On 14 December 1964 personnel from the American construction company RMK-BRJ arrived at An Thoi on an RVNN motorized junk to improve the base facilities.

[3] On 24 July 1965, the newly established Division 11, Coast Guard Squadron One equipped with 9 Point-class cutters and escorted by the USS Floyd County began the transit from U.S.

Naval Base Subic Bay to An Thoi arriving on 31 July and commencing Operation Market Time patrols the following day.

[2]: 67  The crews initially lived on Krishna but soon moved ashore into tents, where they were subject to Viet Cong attacks.

[2]: 70 In January 1966 RMK-BRJ began construction of an airfield at An Thoi with a 4,000-foot (1,200 m) asphalt runway, a 40,000 square yards pierced steel planking apron, a sea wall, barracks, two warehouses, a pier, and utilities such as powerhouse, water and sewage systems.