I believe that any Brexit deal should include a commitment to stay in a customs union with the EU. This will enable the free flow of goods, without tariffs or extra paperwork, to continue after we leave the EU, and it will provide much-needed certainty to British businesse

Leaving the EU: Aerospace Industry

Part of Oral Answers to Questions — Defence – in the House of Commons on 11th June 2018.

"Does the Minister agree that a clear commitment to stay in a customs union with the European Union would provide certainty to industry and investors that they will not be hit by needless tariff barriers after Brexit?"