3 decal variants:
1. P-38D, 1st. PG, California Manoeuvres, October 1941
2. P-38D, 1st. PG, California Manoeuvres, October 1941
3. P-38D, USAF, 1942
It also had a revised nose section with double the ammunition capacity of earlier versions, improved instrumentation and a revised hydraulic and electrical systems, and a SCR-274N radio. Operating in the Aleutians, the 54FS was the first unit to see combat in the Lightning, and the first kills scored by the P-38 were made by pilots in this unit.