The chairman of the Joint Chiefs of Staff has signed off on authorization of a new medal for U.S. service members who deployed for and otherwise supported several recent natural disasters. According to a Marine Corps administrative message, the Humanitarian Service Medal -- recognizing meritorious participation in humanitarian actions -- is authorized for troops who participated in disaster relief and assistance for Typhoons Mangkhut and Yutu, which struck Guam, the Philippines and surrounding islands in late 2018. The medal is also authorized for troops who supported assistance for Hurricane Harvey, which struck southeastern Texas, and for Hurricanes Irma and Maria, which devastated the Caribbean, all in late 2017. Read more on Military.com.