Following a 7.0 magnitude earthquake and multiple aftershocks on January 12, 2010, the United States responded with aid from all branches of the military. Joint Task Force Haiti's military commander was Lieutenant General Ken Keen, USA. The U.S. Navy participated in flying relief supplies at various points in Haiti, airdropping supplies from aircraft, establishing field hospitals, flying out evacuees, and providing medical assistance with USNS Comfort (T-AH-20). U.S. Marines assisted with 22nd and 24th Marine Expeditionary Units. The operation finished March 24.
Some of the assisting U.S. Navy ships were: USS Higgins (DDG-76) , USS Carl Vinson (CVN-70), USS Underwood (FFG-36), USS Normandy (CG-60), USS Bataan (LHD-5), USS Carter Hall (LSD-50), USS Fort McHenry (LSD-43), USS Bunker Hill (CG-52), USNS Grasp (T-ARS-51), USS Henson (T-AGS-63), USS Gunston Hall (LSD-44), USS Nassau (LHA-4), USS Mesa Verde (LPD-19), and USS Ashland (LSD-48)