Sandeep Lamichhane was the wrecker-in-chief, taking six for 16 as the American side were finished off in 12 overs in the World Cup league two match in Kathmandu.
GS Lakshmi has already officiated in several T20 Internationals, both for men and women.
The six match tri-series on the road to the World Cup 2023 sees USA and Namibia make their debut in the CWC League 2 competition.
The USA Cricket has also appointed former India spinner Sunil Joshi as spin bowling advisor, and Pravin Amre and Kieran Powell as advisors for the batting department.
Xavier Marshall hit form at just the right time as his century confirmed USA's ODI status and helped see off Hong Kong by 84 runs.
The International Cricket Council (ICC) on Tuesday welcomed USA Cricket as its 105th member.
The legendary Indian 400m runner also says that Carl Lewis was so awestruck after watching his biopic that the multiple Olympic medallist sent him a baton as a mark of respect.
The Jamaican quartet of Nesta Carter, Kemar Bailey-Cole, Nickel Ashmeade and Bolt clocked 37.36sec, with the United States claiming silver in 37.56sec and Britain taking bronze (37.80).
A wire transfer of a little more than USD 8100 had to be returned to ICC Americas headquarters in Toronto after it was revealed to have been intended for United States of America Cricket Association (USACA) and not for USYCA.
US sprint and long jump legend Carl Lewis said on Monday that Asians badly needed "heroes" in track and field in their countries to become a world-class force in the high-profile sport.