Haiti and Chile Earthquakes U.S. Forces in Haiti to Grow to 20,000 by Gary Kopycinski on January 21, 2010 Gary Kopycinski Author More in Haiti and Chile Earthquakes: Haitians Still Threatened by Inadequate Cholera Response October 20, 2011 Clean Water, Sanitation and Food Remain Relief Priorities in Haiti – UN Official October 4, 2011 Citing Precarious Conditions, UN Urges Governments Not to Return Haitians June 21, 2011 WASHINGTON–(ENEWSPF)–Jan. 21, 2010 – Roughly 20,000 U.S. troops will be supporting relief efforts in Haiti by Jan. 24, military officials said, adding to the 13,000-strong American force currently there.