▁both ▁ordinary ▁and ▁extraordinary ▁officers , ▁form ▁the ▁front ▁part ▁of ▁the ▁Royal ▁Process ion , ▁preceding ▁the ▁S over eign ▁and ▁other ▁Great ▁Offic ers ▁of ▁State . ▁The ▁process ion ▁starts ▁at ▁the ▁bottom ▁of ▁the ▁Victoria ▁Tower , ▁then ▁up ▁the ▁Norman ▁Por ch ▁to ▁the ▁Rob ing ▁Chamber . ▁Once ▁the ▁S over eign ▁has ▁put ▁on ▁the ▁Imperial ▁State ▁Crown , ▁the ▁her ald s ▁lead ▁the ▁monarch ▁once ▁again ▁through ▁the ▁Royal ▁Gallery ▁into ▁the ▁House ▁of ▁L ords , ▁where ▁they ▁remain ▁with ▁him ▁or ▁her ▁during ▁his ▁or ▁her ▁speech ▁and ▁accomp any ▁the ▁monarch ▁until ▁he ▁or ▁she ▁leaves ▁the ▁Palace . ▁ ▁G arter ▁Service ▁or ▁G arter ▁Day ▁is ▁held ▁every ▁June ▁on ▁the ▁Monday ▁of ▁Royal ▁As cot ▁week . ▁The ▁annual ▁service ▁takes ▁place ▁at ▁St ▁George ' s ▁Chap el , ▁W inds or ▁Castle . ▁On ▁this ▁day ▁new ▁Comp an ions ▁of ▁the ▁Order ▁of ▁the ▁G arter ▁are ▁personally ▁inv ested ▁with ▁their ▁ins ign ia ▁at ▁the ▁Th r one ▁Room ▁of ▁W inds or ▁Castle ▁by ▁the ▁S over eign . ▁All ▁the ▁members ▁then ▁have ▁l unch , ▁we aring ▁their ▁blue ▁vel vet ▁ro bes ▁and ▁black ▁vel vet ▁h ats ▁with ▁white ▁pl umes ▁at ▁the ▁Water lo o ▁Chamber . ▁After wards ▁the ▁members ▁make ▁their ▁way ▁on ▁foot ▁from ▁the ▁Upper ▁Ward ▁of ▁the ▁castle ▁towards ▁St ▁George ' s ▁Chap el . ▁During ▁their ▁process ion ▁they ▁are