Anas bin Malik reported,

The Prophet ﷺ addressed the people and said, "Zayd took the banner and was struck down, then Jafar took it and was struck down, then Abdullah bin Rawaha took it and was struck down, then Khalid bin Walid took it without having been appointed, and victory was granted through him."Then he said, "It would not please us that they were here with us."Ayub said, or perhaps he said, "It would not please them that they were here with us," while his eyes were overflowing with tears.

Azami 7926

Sahih

عن أنس بن مالك قال

خطب النبي ﷺ، فقال: أخذ الراية زيد فأصيب، ثم أخذها جعفر فأصيب، ثم أخذها عبد الله بن رواحة فأصيب، ثم أخذها خالد بن الوليد عن غير إمرة ففتح له، وقال: ما يسرنا أنهم عندنا. قال أيوب أو قال: ما يسرهم أنهم عندنا. - وعيناه تذرفان.

الأعظمي 7926صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Jihad
Chapter
Rulings on jihad and its etiquette
Section
Adopting a banner in jihad
Numbering
Jami al-Kamil 7926 (2nd edition)
Azami 7926