"In the next session, with USNORTHCOM chief Adm. Charles Jacoby, Stewart approached the three of us media and said she'd heard we were taking pictures of the presentations and slides. This is not allowed, she said, and she would have officers compel us to remove these files from our phones. The three of us noted her concerns but declined; she eventually walked away. Anticipating a phone show down, I tweeted the slides."
"During his presentation to the full room of SMD attendees, [Vice Admiral James Syring, Director of the Missile Defense Agency] showed a series of slides detailing work done by MDA. Using slides is a common procedure at such conferences and it's typical for reporters and others to take pictures and post the slides to social media or use them for future reference when writing about the presentation. At the bottom of Syring's slides were the words "Approved for Public Release." [Amy Butler senior Pentagon editor for Aviation Week] started tweeting images of 12 slides in succession. At the bottom of Syring's slides were the words "Approved for Public Release." Butler started tweeting images of 12 slides in succession. That's when things took a turn for the worse."
"Reporters and even patrons were sternly warned by on-site security not to take photos anywhere in the Von Braun Center, even though there was no mention of such a policy in writing, on signs or on the conference website. During Syring's speech, a number of reporters tweeted pictures of his briefing slides that contained historical information about US missile defense tests conducted over the past 20 years. The slides were marked "Approved for Public Release."