During the White House siege of Day 7, Agent Aaron Pierce was wounded while escorting Olivia Taylor out of the building. Unable to go on, Pierce instructed Taylor to go to the window and flash Morse code for "Code Green," which would signal the Hostage Rescue Team to move in. ("Day 7: 7:00pm-8:00pm") Aboard the Barataria, Simon Dedrick used Morse code to communicate with Somali pirate skiffs. (Rogue)