Complex sentence: Ordered on 23 August 1938 and completed as the prototype long-range patrol XPB2M-1, it was first flown on 3 July 1942 and converted in December 1943 to transport variant and designated XPB2M-1R.
Split into simpler sentences: Ordered on 23 August 1938 and completed as the prototype long-range patrol XPB2M-1. First flown 3 July 1942 and converted in December 1943 to transport variant and designated XPB2M-1R.