Regarding JF17 PFX, Can some knowledgeable inform precisely?
1. Is there any concrete evidence or reliable source confirming the existence of PFX, or is it merely a speculation based on a PowerPoint slide image?
2. Is PFX an upgrade program designed for existing JF-17 aircraft nearing their service life, similar to the MLU program?
3. Is PFX a modified version of the JF-17 Block-3, incorporating technologies from Turkey and other countries?
4. Is PFX an upgraded version of the JF-17, akin to the Block-4 upgrade?
5. Is PFX a larger and more advanced version of the JF-17, similar to the transition from Gripen C to Gripen E?