The gray monochromes of 1970 - 1976 represent a critical episode in Richter's development because he was battling active hostility to his work and his own desire to keep painting going. (thecityreview.com)
The pattern of operations in 2017 in what the Obama administration used to call areas «outside of active hostilities» (or active war zones such as Afghanistan, Iraq, and Syria) indicated that the US will continue the reinvigorated air campaign in these theaters in the coming years. (businessinsider.com)
The Obama administration declared during Operation Odyssey Lightning that Libya was an area of «active hostilities,» thus those strikes took place in what was essentially an active war zone. (businessinsider.com)