the vehicle in background? Original photo tells "Italian tankette captured at Habbanya" I think to a command Medium Mk II
Might well be a glimpse of the RAF's mocked-up tanks: 'Walrus' & 'Seal'. Hmm. It is. Hang on, will scan in a pic from Fletcher's 'Mechanised Force'.
Originally just a Dragon with some raised panels 'designed' to drop an RAF armoured car onto, but later modified into two different forms. Something of a rarity, mate! Well-spotted: