Crossword clues for Joined up: Abbr. 3 letters:ENLJoined up: Abbr.ENLJoined the Navy: Abbr.AHLThe Colorado Eagles joined it in 2018: Abbr.WWIThe U.S. joined it in 1917: Abbr.EECSpain joined it in 1986: Abbr.INDState that joined the Union in 1816: Abbr.SYRCountry once joined with Egypt as the United Arab Republic: Abbr.ENLSJoins up: Abbr.NATOAlbania and Croatia are the last to have joined it (abbr.)CONNFifth state to join the Union: Abbr.ENTDJoined the Union: Abbr.