1)
What weapons were lost?
1.
Rashi: Sha'ul and Yehonason - the weapons of Yisrael.
2.
Radak: So many Giborim died, it is as if [Yisrael] lost their weapons.
3.
Malbim: Since there are no Giborim to replace the Giborim who died, it is as if the weapons are lost, for there is no one to use them.
