безпечна обстановка; безпечне середовище; умови безпеки
safe and secure environment
establish a secure environment
maintain a secure environment
contemporary operational environment / contemporary operating environment (COE)
secure a crossing
secure a gap
secure area
secure the air
secure the battle position
secure the objective
seize and secure (key terrain)
suppress, obscure, secure, reduce, and assault (SOSRA)
gun secure spring lanyard sling
automatic secure voice communication
secure mishap site
secure the operations
secure a hit
secure a line
secure firing data
secure oneself
secure to a pier
secure
secure communications
secure supporting fires
secure an infantry commission
secure rations
secure a proper grip
secure a tightening rod
secure the perimeter
air defense ground environment
Allied Joint Doctrine for Recovery of Personnel in a Hostile Environment (AJP-3.7)
battlefield environment