An official website of the United States Government 
Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Photos

Snapshots of what’s happening in the Defense Department.

Three medical professionals perform surgery.

Guatemala Surgery

Air Force Lt. Col. Jacob Riis, center, an orthopedic surgeon, performs surgery on a Guatemalan patient during Health Engagement Assistance Response Team 2022, known as HEART 22, at Hospital Regional de Occidente in Quetzaltenango, Guatemala, Aug. 30, 2022. Riis is assigned to 355th Medical Group at Davis-Monthan Air Force Base, Tuscon, Ariz.

Photo Gallery