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 Attacking his Presidential Headquarters Bombing Hanoi with B-52s Bombing Hanoi’s main power plant 2. During the Blitz this three letter acronym was used to label undetonated ordnance. UXB UXO UDO BOX 3. From 1912 to 1938 a US Army Infantry regiment garrisoned this Chinese city. Shanghai Tientsin Nanking Canton Loading …