The top U.S. commander in South Korea also raised the risk level for the military community on the peninsula to moderate.
The first case of coronavirus in the U.S. military was reported in South Korea.
Mattis said last month that troop withdrawals could be considered if the parties reach solid agreement on denuclearization.
The heads of the U.S. military branches called for the return of all military hospital already transferred to the DHA.
The survey focuses on their experiences with military health care and preferences for family planning and contraception.
U.S. Rep. John Joyce introduced legislation that would award the highest military honor to a WWII hero from Pennsylvania.
Both decorated former U.S. service members, they were found guilty of conspiracy, trafficking in illegal arms and terrorism.
Col. Joseph Young appeared in U.S. District Court in Augusta for sentencing on a single count of conspiracy.