secure the battle position

battle-ground / battle ground / battleground

battle position

initial battle position

main battle position

launching position (missile position)

changeover from travelling position to fire position

position and navigation unit / position navigation unit (PNU)

in position / in-position

safe and secure environment

secure a crossing

secure a gap

secure area

secure environment

secure the air

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

establish a secure environment