What is an APO address or an FPO address? APO stands for Army Post Office, and is associated with Army or Air Force installations. FPO stands for Fleet Post Office, and is associated with Navy installations and ships. What does APO mean? APO stands for Army Post Office.
 Two Hearts Beat as One  is a song by rock band U2. It is the seventh track on their 1983 album, War, and was released as that albumâs second single in the US, UK and Australia.
The song was first played in concert on 26 February 1983, at the first show of the War Tour and was played at almost all concerts on that tour. On the second leg of the War Tour, Two Hearts Beat as One began to follow Surrender and the two songs segued together.