Ukraine air defenses counter Russian barrage, but missiles hit energy targets December 16, 2022December 16, 2022
Satellite images show Russia building defenses to protect military positions northwest of Kyiv March 19, 2022March 19, 2022
US, NATO seek to shore up defenses as Russia-Ukraine conflict rages February 26, 2022February 26, 2022
Study Finds Vitamin D3 Important for Fighting Infections – Helps Strengthen Defenses Against COVID-19 February 24, 2022February 24, 2022
U.S. Department of Defense’s Space Test Program 3 – With NASA’s LCRD – Launches Successfully December 7, 2021December 7, 2021