Starting in March 1941, the U.S. Army Air Force
transferred six YB-24s and twenty B-24As (this one being number
18) to Great Britain. The U.S. redesignated the YB-24s as LB-30A
and the B-24As as LB30B. They received standard British serial numbers.
The British called the LB-30B Liberator Mk. I. Consolidated "LB" was
short for Land Bomber.
Throughout World War II, the British received more than 500 Liberators
for uses ranging from long endurance coastal patrols to long range