<prompt> On 20 September 1939, pamberi YP-38s akanga yakavakwa uye ndege kuedzwa, USAAF akarayira 66 kwokutanga kugadzirwa P-38 Lightnings, 30 vakanga vakauya kuna USAAF nechepakati 1941, asi kwete zvose ndege izvi vakanga vakapakata. The isina zvombo ndege vakanga gare gare vakapakata mana.50 mu 12.7 mm pfuti pachinzvimbo maviri.50 mu 12.7 mm uye vaviri.30 mu 7.62 mm avo amadzitateguru uye 37 mu 1.46 mm pfuti. Vaivawo nezvombo magirazi, Cockpit zvombo uye fluorescent Cockpit chidhiraivho. Mumwe akanga apedza pamwe zvachose pressurized kabhini pamusoro experimental hwaro uye yakatarwa XP-38A. Nokuda mishumo USAAF akanga achiwana kubva kuEurope, vakasara muzvikwata zvikuru 36 vakanga upgraded duku kuvandudzwa akadai self-sealing mafuta matangi uye zvose izvi ndege vakanga vakapakata.  <response>: XP-38A 