Once you get through all of the available missions and content, there is no longer any aircrat too unlock, you can get a mustang, but not a P-38.
The P-38 was the Lightning, not the Mustang. There were at least 14 fighter versions plus two photo-recce and a night fighter.
Spyder Games - 2001 1-38 was released on: USA: 8 August 2001
Burnt valve, blown head gasket, bad plug wire.
Battlefront - 2001 Bombing of Ploesti 1-38 was released on: USA: 25 September 2001
I believe that is 35 to 38 point dwell for a 1966 Ford Mustang 200 straight 6 cylinder
35 to 38 dwell at idle RPM for your 200 cubic inch straight 6 cylinder in a 1965 Ford Mustang
Rendez-View - 2001 Hold the Mayo--- Tighter 1-38 was released on: USA: 7 November 2001
Amantes del desierto - 2001 Capitulo 38 2-8 was released on: USA: 9 May 2001
The .38 Special is a specific cartridge. In addition to the .38 Special, there are perhaps a dozen different .38 cartridges. Most of them are fairly obscure/ obsolete today, but include the shorter, fatter, less powerful .38 S&W, the .38 Long and Short Colts, the .38 rimfires, .38 Merwin & Hullbert, etc. Sort of like "What is the difference between a Ford Mustang and a Ford?"
CMT Top 20 Countdown - 2001 11-38 was released on: USA: 30 September 2011
The 2001 Chevrolet Impala's turning circle is 38 ft..