This sounds great - a wartime-themed 3-day pop-up restaurant, but hopefully not with small portions and powdered egg.
"The Art of Dining and The Horsebox Gallery invite you to an evening of Rations in the Sergeant Majors mess.It promises to be a memorable evening of art, food and hospitality in a unique and beautiful location with a view you wont believe possible in the centre of London.
The Art of Dining is a collaboration between Moro trained chef Ellen Parr and artist and set designer Alice Hodge."
When - Thursday 3rd - Saturday 5th November 7.30pm arrival. Dinner served at 8.30pm
Where - "Once your place at the table has been secured we will send you the locations information"
Link 1 - The Art of dining
Link 2 - Tickets & booking