"I miss the war" is a shocking thing to say, and the poem knows it. Four one-syllable words, a full stop, and no explanation. We expect an old soldier to speak of horror, or at least of relief that it's over. Instead the speaker confesses longing. The following lines show what that longing is really for. It is not for battle, since the poem never mentions fighting, wounds or enemies. It is for "all the officers and friends of my past." The war is missed because of who was in it.
That one long line holds much of the poem's feeling. Officers and friends sit side by side in the same phrase, as though rank has dissolved in memory. Nobody is a superior or a subordinate now, only a face the speaker once knew. The line is also the longest in the poem, eight words against the two, three and four of the others, as if memory briefly crowds the page before the lines thin out again. And the words "of my past" tell us that these people already belong to a finished time, even while the speaker is still naming them.
Then comes the quietest and most unsettling moment: they "sang songs / and then went away." The war's company is reduced to singing, a gentle, almost childlike image, and the line break after "sang songs" lets the sound hang in the air for a second. "Went away" is just as soft. It could mean that the men were discharged and scattered, or that they died, and the poem does not say which. That vagueness feels deliberate. The speaker may be using the plain, euphemistic language people reach for when a loss is too large to name directly. The sibilant "sang songs" and the drifting "w" sounds of "went away" make the departure sound like something fading rather than something violent.
The second stanza turns from the people to the speaker. "And night came / to wash me clean." Night is personified as a kind of attendant or priest, and "wash me clean" has the ring of baptism or a last bathing. The opening "And" gives the line a biblical, story-like calm, a sense that this is simply how things happen. But what is being cleaned away? It could be guilt, grime, memory, or the speaker's own life. "Clean" can mean forgiven, but it can also mean emptied. The poem leaves that ambiguity unresolved, and the effect is both consoling and bleak. Notice too that the speaker does nothing here. Night acts, and the speaker is acted upon, which suits a man whose companions have all gone and who has been left to wait.
The title, "Old soldier," fills in the setting. The speaker is old, and the whole poem is spoken from the far side of events. Readers may hear a faint echo of the familiar saying that old soldiers never die but simply fade away, though the poem quietly changes it. Here it is the comrades who fade, and the speaker is left to be washed by the dark.
Formally, the poem is free verse with no rhyme and no regular metre. What it has instead is shrinking length and plain speech. After the long third line, the rest are brief, and the poem ends on a single stressed word, "clean," which lands with a hard "c" that echoes the earlier "came." The vocabulary is almost entirely everyday: miss, friends, songs, night, wash. Nothing is decorated, and that restraint makes the one startling statement at the start more convincing. A more elaborate poem might have tried to justify or dramatise the feeling, but this one just states it and lets silence do the rest.
What makes the poem significant is how much it does by refusing the expected. It declines to condemn or glorify war and instead looks at the loneliness that can follow it. It suggests that intense shared experience, even of something terrible, can become the thing a person grieves for when it is gone, and that this grief can feel shameful enough to need washing away. In six short lines, the poem lets a reader feel the strangeness of that confession without being told how to judge it.