The US flagship F-35 fifth-generation stealth fighter programme is falling short due to certain crucial elements. The sentiment was echoed by Lt General Michael Schmidt, F-35 programme executive officer, during a hearing before the House Subcommittee on Tactical Air and Land Forces. The F-35 shortage is affecting not only the US but it has also impeded the delivery of advanced fighters to allied nations. US lawmakers are worried that the F-35 manufacturer is not meeting its contractual agreements to supply upgraded fifth-generation F-35 fighter jets. Watch the video to find out more.