Assertion: convoy's escort | /r/HasProperty | reinforced by the grimsby-class sloop
Facets:
value: on 20 february
type: TEMPORAL
Source sentences:
text: The escort of convoy HG 53 was reinforced by the Grimsby-class sloop Londonderry on 18 February, by the F-class destroyer Fury on 20 February, and by the S-class destroyer Sabre, the Town-class destroyer Leamington, and the Flower-class corvette HMS Anemone from convoy OG 53 on 22 February.