Bhagavad Gita 1.20

अथ व्यवस्थितान् दृष्ट्वा धार्तराष्ट्रान्कपिध्वजः।प्रवृत्ते शस्त्रसंपाते धनुरुद्यम्य पाण्डवः॥

atha vyavasthitān dṛṣṭvā dhārtarāṣṭrānkapidhvajaḥ |pravṛtte śastrasaṃpāte dhanurudyamya pāṇḍavaḥ ||

Then, seeing the people of Dhritarashtra's party standing arrayed and the discharge of weapons about to begin, Arjuna, the son of Pandu whose ensign was a monkey, took up his bow and said the following to Krishna, O Lord of the Earth.

Then, upon beholding the sons of Dhritarashtra, drawn up on the battlefield, ready to fight, Arjuna, whose flag bore the image of Hanuman,

Our plain-language meaning of this verse is waiting for scholar review.