keep the field

вести воєнні дії

field officer (field-grade officer / senior officer)

combat field pack, field pack

air support field pack, field pack air support, airborne / para (air support) / Pathfinder Bergen

combination field and field-off duty uniform

keep the enemy alerted

keep the powder dry

keep-out altitude

keep the spacing

keep a close watch on foreigners

keep a tank in serviceable condition

keep road clear for traffic

keep the place clean

keep clear of the aircraft

keep abreast of the (battle) situation

keep at general quarters

keep on the run

keep the enemy down

keep the enemy troops alerted unnecessarily

keep the map up to date

keep pace with the armor

keep under fire

keep advised of the situation

keep in touch with the situation

keep abreast of the situation