The high cost of the aircraft, a lack of clear air-to-air combat missions because of delays in the Russian and Chinese fifth-generation fighter programs, a US ban on Raptor exports, and the ongoing development of the planned cheaper and more versatile F-35 resulted in calls to end F-22 production.[N 1]
The elu na-eri nke ugbo elu, a enweghị doro anya ikuku na-ikuku ọgụ ọzọ n'ihi igbu oge na Russian na Chinese ise-emana fighter mmemme, a US iwu mgbochi mbanye na Raptor na-ebupụ, na-aga n'ihu mmepe nke zubere dị ọnụ ala karịa ndị ọzọ vasatail F-35 rụpụtara na oku na-akwụsị F-22 mmepụta.