The Pentagon has lifted some flight restrictions on F-35 Joint Strike Fighters, while inspections will continue for the foreseeable future, according to a Defense Department official.

Article updated July 30, 2014.

Speed restrictions for the 20 F-35s that make up the test aircraft fleet were relaxed late last week from Mach 0.9 to Mach 1.6, while maneuverability restrictions were increased slightly from 3 Gs to 3.2, the official said.

Other restrictions remain, however, including borescope inspections of the front fan section of each F135 engine every three hours. The 79 remaining F-35s are still under the full restrictions. […]