Plans for a Singaporean fighter jet training presence in the US territory of Guam have been shelved, both governments have confirmed, despite years of preparation and investment in upgrading the US Air Force base on the Pacific island.Singapore and the United States had agreed to “discontinue discussions” on deploying 12 Republic of Singapore Air Force (RSAF) F-15 fighter jets to Guam, the city state’s defence ministry announced on Tuesday.This followed an earlier statement from the US Air...