2 , ▁and ▁the ▁premi ere ▁was ▁attended ▁by ▁a ▁group ▁of ▁members ▁of ▁Parliament ▁interested ▁in ▁economic ▁war fare . ▁The ▁film ▁was ▁not ▁well ▁received ▁by ▁The ▁Times , ▁whose ▁critic ▁in ▁ 1 9 4 2 ▁found ▁that ▁" this ▁particular ▁hot ch - pot ch ▁is , ▁as ▁propag anda , ▁w oe fully ▁un con vin cing . ▁It ▁is ▁splendid ▁to ▁give ▁aud ien ces ▁a ▁g limp se ▁of ▁the ▁devoted ▁work ▁done ▁by ▁the ▁Services ▁[ … ] ▁but ▁actors ▁got ▁up ▁as ▁com ic ▁Naz i ▁business ▁men ▁dist ort ▁the ▁less ons ▁the ▁more ▁serious ▁parts ▁of ▁the ▁film ▁are ▁trying ▁to ▁drive ▁home ", ▁and ▁modern ▁film ▁review ers ▁are ▁not ▁very ▁much ▁kind er ▁to ▁it . ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁ ▁Dr ▁Keith ▁M . ▁John ston : ▁The ▁Great ▁E aling ▁Film ▁Challenge ▁ 6 5 : ▁The ▁Big ▁Block ade ▁( 1 9 4 2 ) ▁ ▁Category : 1 9 4 2 ▁films ▁Category : 1 9 4 0 s ▁comedy - d rama ▁films ▁Category : 1 9 4 0 s ▁war ▁films ▁Category : B rit ish ▁films ▁Category : B rit ish ▁war ▁drama ▁films ▁Category : B rit ish ▁comedy - d rama ▁films ▁Category : B rit ish ▁World ▁War ▁II ▁propag anda ▁films ▁Category : English - language ▁films ▁Category : B rit ish ▁black - and - white ▁films ▁Category : Se af aring ▁films ▁Category : Fil ms