▁bomb ing ▁ra id ▁on ▁Frankfurt . ▁During ▁the ▁next ▁two ▁months ▁he ▁fle w ▁six ▁more ▁sort ies ▁against ▁targets ▁like ▁Berlin , ▁Hamburg ▁and ▁Kar ls ru he , ▁before ▁being ▁posted ▁to ▁No . ▁ 2 5 ▁Oper ational ▁Training ▁Unit , ▁Fin ning ley ▁on ▁ 7 ▁November ▁and ▁a ▁month ▁later ▁posted ▁back ▁to ▁No . ▁ 1 4 ▁Oper ational ▁Training ▁Unit ▁as ▁an ▁instruct or . ▁ ▁Mans er ▁served ▁briefly ▁with ▁No . ▁ 4 2 0 ▁Squadron ▁RC AF ▁( H amp dens ) ▁from ▁March – A pril ▁ 1 9 4 2 ▁when ▁he ▁rejo ined ▁No . ▁ 5 0 ▁Squadron ▁then ▁operating ▁from ▁R AF ▁Sk elling th or pe , ▁and ▁converted ▁to ▁the ▁new ▁Av ro ▁Manchester ▁medium ▁bom ber . ▁He ▁pil oted ▁one ▁of ▁the ▁new ▁aircraft ▁during ▁a ▁leaf let ▁drop ▁over ▁Paris , ▁and ▁fle w ▁a ▁further ▁five ▁sort ies ▁during ▁April ▁and ▁May . ▁Mans er ▁was ▁promoted ▁to ▁flying ▁officer ▁on ▁ 6 ▁May . ▁ ▁Part icip ating ▁in ▁Operation ▁Mill enium , ▁a ▁bomb ing ▁ra id ▁on ▁C ologne ▁on ▁the ▁night ▁of ▁ 3 0 ▁May ▁ 1 9 4 2 , ▁Mans er ▁was ▁captain ▁and ▁first ▁pilot ▁of ▁Av ro ▁Manchester ▁bom ber ▁' D ' ▁for ▁Dog . ▁As ▁he ▁came ▁over ▁the ▁target , ▁his ▁aircraft ▁was ▁caught ▁in ▁search light s ▁and ▁although ▁he ▁bom bed ▁the ▁target ▁successfully ▁from ▁ ▁it