US sends message to Turkey, halts F-35 equipment shipments

The United States has halted delivery of equipment related to the stealthy F-35 fighter aircraft to Turkey, sources familiar with the situation said, marking the first concrete US step to block delivery of the jet to the NATO ally in light of Ankara's planned purchase of a Russian missile defense system.
In recent days, US officials told their Turkish counterparts they will not receive further shipments of F-35 related equipment needed to prepare for the arrival of the stealthy jet, two sources familiar with the situation told Reuters. The aircraft is built by Lockheed Martin Corp.
The sources, speaking on condition of anonymity, said the next shipment of training equipment, and all subsequent shipments of F-35 related material, have been canceled.
Turkish President Tayyip Erdogan has refused to back down from Ankara's planned purchase of a Russian S-400 missile...