In response to the spread of coronavirus in Guam, the U.S. Army Corps of Engineers (USACE), Honolulu District and Naval Facilities Engineering Command (NAVFAC) Marianas have combined efforts to perform seven initial planning and site assessments on Guam for potential conversion into alternate care facilities (ACFs). USACE is conducting technical planning and site assessments at Guam locations on mission assignment through FEMA, in partnership with the Department of Health and Human Services, and the government of Guam. Stringent COVID19 restrictions prevent USACE personnel travel throughout the Pacific region, so the Honolulu District requested direct assistance from NAVFAC Pacific and NAVFAC Marianas to provide engineering personnel support to accomplish the FEMA site assessment mission for Guam.