This brief report presents United States Coast Guard hospitalization data for fiscal year 2021 and examines its data completeness, as annual Department of Defense data have not included Coast Guard data since 2015, and describes differences in utilization.

The new MSMR Editor-in-Chief, Dr. Andrew Wiesen, a retired Army physician, provides his perspective on the importance of the MSMR and his expectations for its future.

This Historical Perspective discusses catastrophic casualties among U.S. and Japanese forces due to failed supply lines during World War II in the Pacific.

Incidence and Management of Chronic Insomnia, Active Component, U.S. Armed Forces, 2012 to 2021.

Trends in the Incidence of Eating Disorders Among Active Component Service Members, 2017 to 2021.

Increased Prevalence of Overweight and Obesity and Incidence of Prediabetes and Type 2 Diabetes During the COVID-19 Pandemic, Active Component Service Members, U.S. Armed Forces, 2018 to 2021.

The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) virus, the cause of coronavirus disease 2019 (COVID-19), has been responsible for the largest respiratory illness pandemic since the influenza pandemic of 1918.

During the current global mpox outbreak, many cases have presented atypically with skin lesions localized to the genital and perianal areas.

The COVID-19 pandemic brought with it concerns for the effects on mental health, from both the disease itself and the steps taken to combat it.

Cold injuries are of significant military concern because of their adverse impact on operations and the high financial costs of treatment and disability.

Rotavirus gastroenteritis is the leading cause of diarrhea-associated morbidity and mortality among children under age 5 worldwide.

Mental health is a significant concern within the U.S. military, and service members are at substantial risk for developing an array of mental health conditions including anxiety, depression, stress/adjustment issues, and sleep-related disorders.

This report summarizes the annual prevalence of permanent sterilization, as well as use of long- and short-acting reversible contraceptives (LARCs and SARCs, respectively), contraceptive counseling services, and use of emergency contraceptives from 2017 through 2021 among active component U.S. service women.

Immunization Among U.S. Armed Forces Healthcare Workers

This study reports updated numbers and incidence rates of hepatitis C virus (HCV) infection among active component members of the U.S. military using a revised case definition during a 10-year surveillance period between 2011 and 2020.