Answer:
Soldiers line up spaced with pride. Two long rows lined side by side. One sole unit can decide, if the rows will unite or divide.
What can be underwater, under fire, on fire and taking water all at the same time?
What do you throw out when you need it but put away when you donβt?
A beacon from home to guide your way. It can be a lifesaver on a stormy day. What is it?
What has wings, but can not fly. Is enclosed, but can outside also lie. Can open itself up, or close itself away. Is the place of kings and queens and doggerel of every means. What is it upon which I stand? Which can lead us to different lands.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?