in tonnage of all British ships cannot produce a Crisis in Shipping.

Shipping is essential to American reinforcements, it is essential to our own reinforcements, it is essential to the maintenance of our own war effort here and in the Dominions, and it is of the greatest importance that everything should be done to bridge the most dangerous period of the Shipping Crisis, and that is the year 1942.

I do not now propose to say anything about the British contribution to the solution of the Shipping Crisis.

One was during the Shipping Crisis in 2008.