похвальна грамота; службова характеристика; письмова подяка
dead letter-box
letter bomb (parcel bomb, mail bomb, postal bomb etc)
letter of instruction
letter order
letter of agreement
action letter
immediate action letter
call letter
speed letter
recruitment letter
command letter
Air Defense Command Commendation Certificate
Air Force Commendation Medal
Army Commendation Medal
commendation (cmd)
commendation for signals transmitted accurately and rapidly
commendation list
commendation medal
commendation ribbon
commendation ribbon with pendant
meritorious unit commendation
Navy unit commendation
oral commendation
Queen's commendation for valuable service in the air
reserve special commendation ribbon
Joint Service Commendation Medal