Preface 
The study reported herein was conducted as part of the Monitoring Com- 
pleted Navigation Projects (MCNP) Program, formerly Monitoring Completed 
Coastal Projects Program. Work was carried out under Work Unit 11M-7, 
“Periodic Inspections." Overall program management for MCNP is accomp- 
lished by the Hydraulic Design Section of Headquarters, U.S. Army Corps of 
Engineers (HQUSACE). The Coastal and Hydraulics Laboratory (CHL), 
U.S. Army Engineer Waterways Experiment Station (WES), is responsible for 
technical and data management support for HOUSACE review and technology 
transfer. Technical Monitors for the MCNP Program are Messrs. John H. Lock- 
‘hart, Jr., Barry W. Holliday, and Charles B. Chesnutt (HQUSACE). The Pro- 
gram Manager is Ms. Carolyn M. Holmes (CHL). 
This report is the first in a series that will track the long-term structural 
response of the Ofu Harbor breakwater, American Samoa, to its environment. 
The information contained in this report was gathered as a result of land and 
aerial survey work conducted by Richard B. Davis, Inc., under contract to the 
Corps of Engineers, and an armor unit survey conducted by Messrs. Robert R. 
Bottin, Jr., and George F. Turk (CHL), and Mr. Stanley J. Boc, U.S. Army 
Engineer Division, Pacific Ocean (CEPOD). 
The work was conducted during the period October 1996 through June 1997 
under the general supervision of Dr. James R. Houston and Mr. Charles C. Cal- 
houn, Jr., Director and Assistant Director, CHL, and under the direct supervision 
of Messrs. C. E. Chatham, Jr., Chief, Wave Dynamics Division, and Dennis G. 
Markle, Chief, Wave Processes Branch. This report was prepared by 
Messrs. Bottin, CHL, and Boc, CEPOD. Director of WES during the investiga- 
tion and publication of this report was Dr. Robert W. Whalin. Commander and 
Deputy Director was COL Robin R. Cababa, EN. 
The contents of this report are not to be used for advertising, publication, 
or promotional purposes. Citation of trade names does not constitute an 
official endorsement or approval of the use of such commercial products. 
