Hundreds of thousands of people are attending the National Armed Forces Day events in Cleethorpes this weekend.
David Cameron attended, despite announcing his intent to step down as Prime Minister hours after Britain voted to leave the European Union.
The Duke of Kent is also set to be there.
Brexit will 'not weaken' defence, Michael Fallon The Defence Secretary has told ITV Calendar.
Mr Fallon is in Cleethorpes for the National Armed Forces day.
He said: "We will work harder with our allies and on our commitment to NATO."
Asked who he would like to see as the next Prime Minister he replied: "It's too early to speculate until we see who the candidates are."
He said that David Cameron had 'done the honourable thing' by resigning adding: 'You need a new Prime Minister to take forward the exit negotiation."
North East Lincolnshire Council have released park and ride details and information on the free amenities available over this weekend.
Sections of the main road through to North East Lincolnshire are being closed in readiness for a National Armed Forces Day parade.