Twitter Tracker: Army's top leader spotted on AUSA day 3

The final day of this year's AUSA Global Force Symposium and Exhibition will be the last one for AUSA President Gen. Gordon Sullivan (ret.), who is turning the organization over to Gen. Carter Ham this summer. (See related story.)

Here are some of the last-day memories that attendees tweeted.

MORE: See full coverage of the AUSA Global Force Symposium and Exhibition here. 

The soldier is the cornerstone of the military's operations.

Spies on the exhibit floor?

Some of the event's sights are in this photo montage tweeted by the Secretary of the Army.

Mobile technology is playing a more critical role in the Army.

Proof that geeking out on new technology isn't confined to the young.

Farewell Gen. Sullivan

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