By Steve Holland and David ShepardsonWASHINGTON, Sept 9 (Reuters) - U.S. President Donald Trump departed Washington for Texas on Wednesday aboard the Air Force One plane gifted by Qatar after an emergency slide was accidentally deployed and was removed.Military personnel accidentally triggered the slide, a person briefed on the matter told Reuters.The slide was activated shortly before Trump was due to board for a flight to Dallas for thefirst-ever Republican midterm convention.The issue briefly delayed Trump's departure.

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Donald Trump appeared stalled in his Marine One helicopter as his new controversial Air Force One deployed it's emergency plane slide.

Trump said the slide was being checked as part of a routine safety inspection and that it would take about 15 minutes to address.

The $400 million Qatari-gifted jet has faced questions about its security

US President Trump experienced a brief delay before his Texas trip due to an emergency slide deployment. Air Force personnel attended to the new Air Force One plane at Joint Base…