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