 Boreas remained on escort duty in the Eastern Atlantic until she arrived in Alexandria , Egypt on 11 November after escorting a convoy around the Cape of Good Hope . She was immediately assigned to escort the ships of Operation Stoneage that relieved the Siege of Malta . The ship remained in the Mediterranean until January 1943 before she was briefly assigned to the 13th Destroyer Flotilla at Gibraltar . Boreas returned to Freetown in February and remained there until June when she was transferred to the Mediterranean Fleet in preparation for Operation Husky . She was converted into an escort destroyer in Liverpool from September 1943 to February 1944 . As part of the conversion , a Type 271 target indication radar was installed above the bridge that replaced her director @-@ control tower and rangefinder and her Type 286 radar was replaced by a Type 290 . 
 Boreas<a href='been_done' title='1'><mark></mark></a> remained on escort duty in the Eastern Atlantic until she arrived in Alexandria , Egypt on 11 November after escorting a convoy around the Cape of Good Hope . She was immediately assigned to escort the ships of Operation Stoneage <a href='null_relcl' title='2'><mark>that</mark></a>relieved the Siege of Malta . The ship remained in the Mediterranean until January 1943 before she was briefly assigned to the 13th Destroyer Flotilla at Gibraltar . Boreas returned to Freetown in February and remained there until June when she was transferred to the Mediterranean Fleet in preparation for Operation Husky . She was converted into an escort destroyer in Liverpool from September 1943 to February 1944 . As part of the conversion , a Type 271 target indication radar was installed above the bridge <a href='null_relcl' title='3'><mark>that</mark></a>replaced her director @-@ control tower and rangefinder and her Type 286 radar was replaced by a Type 290 . 
Boreas done remained on escort duty in da Eastern Atlantic until she arrived in Alexandria , Egypt on 11 November after escorting a convoy around the Cape of gud Hope . She was immediately assigned to escort tdaships of Operation Stoneage relieved the Siege of Malta . The ship remained in the Mediterranean until January 1943 b4 she was briefly assigned to the 13th Destroyer Flotilla at Gibraltar . Boreas returned to Freetown in February and remained there til June when she was transferred to thdaediterranean Fleet in preparation fir Operation Husky . She was converted into an escort destroyer in Liverpool from September 1943 to February 1944 . As part of the conversion , a Type 271 finishline indication radar was installed above the bridge replaced her director @-@ control tower and rangefinder and her Type 286 radar was replaced by a Type 290 .