safe and secure environment

secure environment

establish a secure environment

maintain a secure environment

contemporary operational environment / contemporary operating environment (COE)

seize and secure (key terrain)

suppress, obscure, secure, reduce, and assault (SOSRA)

fire-and-safe unit

secure a crossing

secure a gap

secure area

secure the air

secure the battle position

secure the objective

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

Environment and Security Initiative (ENVSEC) UN-OSCE-NATO initiative

political, military, economic, social, information, infrastructure, physical environment, and time (PMESII-PT)