וְשָׁא֤וּל וְאִֽישׁ־יִשְׂרָאֵל֙ נֶֽאֶסְפ֔וּ וַֽיַּחֲנ֖וּ בְּעֵ֣מֶק הָאֵלָ֑ה וַיַּעַרְכ֥וּ מִלְחָמָ֖ה לִקְרַ֥את פְּלִשְׁתִּֽים׃
Saul and the rest of Israel’s side massed and encamped in the valley of Elah. They drew up their line of battle against the Philistines,
(The above rendering comes from the RJPS translation—an adaptation of the NJPS translation—showing a slight modification projected for October 2023. Before accounting for this rendering, I will analyze the plain sense of the Hebrew term containing אִישׁ.)
See my comment at 13:6.
This is one of the instances where a “collective” usage of אִישׁ is clearly evident, from the semantics of the governing verb in this clause, and from the mismatch in grammatical number (plural verb) in this clause and subsequent ones.
As for rendering into English, the NJPS ‘the men of Israel’ recognizes a collective usage, but without a situational orientation. See my comment at Josh 10:24. Meanwhile, the fact that women are not in view can go without saying, because it is self-evident from the military context.