SITREP TRAIL THURS, 27th April (KATE PRESENTS TODAY) Will sanctions curb North Korea’s nuclear ambitions? Find out what life’s like on board the US aircraft carrier the "George H-W Bush”. Plus, Trump’s 100 days in power, what’s the verdict? And Prince Harry’s thoughts on the importance of rugby to the forces as we look forward to the 100th Army Navy rugby match this weekend. TOPICS SYRIA/BORIS JOHNSON Professor of Peace Studies and the University of Bradford, Paul Rogers. GEORGE H-W BUSH. BFBS reporter Simon Newton goes on board the US aircraft carrier NORTH KOREA Professor of Peace Studies and the University of Bradford, Paul Rogers & & Simon Marks from Feature Story News in Washington TRUMP 100 DAYS Professor of Peace Studies and the University of Bradford, Paul Rogers & & Simon Marks from Feature Story News in Washington CHINESE CARRIERS BFBS Defence analyst Christopher Lee ONE HUNDREDTH ARMY NAVY RUGBY MATCH BFBS Sports Editor Jon Knighton THURSDAYS at 4:30pm UK TIME on BFBS RADIO