Share This Article 1. From 1912 to 1938 a US Army Infantry regiment garrisoned this Chinese city. Nanking Canton Shanghai Tientsin 2. The US military helped celebrate Ho Chi Minh’s 77th birthday on 19 May 1967, by doing this. Bombing Hanoi with B-52s Attacking his Presidential Headquarters Bombing Hanoi’s main power plant Mining Haiphong Harbor 3. During the Blitz this three letter acronym was used to label undetonated ordnance. UXO UXB BOX UDO Loading …