ARCHITECT-ENGINEERING SERVICES FOR ENVIRONMENTAL SERVICES FOR THE PREPARATION OF NATIONAL ENVIRONMENTAL POLICY ACT DOCUMENTS, ENVIRONMENTAL STUDIES AND TECHNICAL SERVICES AT VARIOUS NAVY AND MARINE CORPS ACTIVITIES, PACIFIC BASIN AND INDIAN OCEAN AREAS CONTRACT TASK ORDER 0021, AMENDMENT NO. 23, CONDUCT A CULTURAL LANDSCAPE SURVEY (CLS) OF THE MARINE CORPS BASE HAWAII (MCBH), KANEOHE, OAHU AWARD OF CTO 0021