Pentagon Chief Christopher Miller was one of the first Americans to receive the Covid-19 vaccine on Monday, with a camera to encourage others in the country to follow suit. The defense secretary received a jab at the Walter Reed military hospital near Washington, according to a video released by the Pentagon. “That’s all ?, Oh !! That doesn’t hurt at all!” Miller mocked the vaccination, a sign of hope for the country most affected by the disease. The United States passed a deadlock of 300,000 proteins early Monday. The Pentagon announced last week that secretaries and staff will receive immunizations in the public domain to help disseminate information about its effectiveness and safety.