sentences:  In February 1944 it joined the élite British Special Air Service (SAS) Brigade and was renamed the 5th SAS Regiment in March, even though it was only battalion-strength.The 5th SAS was deployed on numerous missions behind enemy lines.In July 1944, the small groups from 5th SAS were dropped by parachute into northern France to perform reconnaissance and sabotage missions and to link up with the French Resistance.