"The fear prayer was no more than two prostrations like the prayer of these guards of yours today behind the Imams of yours, except that it was one group after another. One group stood, although they were all behind the Messenger of Allah ﷺ, and one group prostrated with him, then the Messenger of Allah ﷺ stood up and they all stood with him. Then he bowed and they all bowed with him, then he prostrated and those who had been standing the first time prostrated with him. When the Messenger of Allah ﷺ and those who had prostrated with him at the end of their prayer sat, those who had been standing prostrated by themselves, then they sat and the Messenger of Allah ﷺ said the taslim with all of them. (Using translation from Nasāʾī 1535)
مَا كَانَتْ صَلَاةُ الْخَوْفِ إِلَّا كَصَلَاةِ أَحْرَاسِكُمْ هَؤُلَاءِ الْيَوْمَ خَلْفَ أَئِمَّتِكُمْ إِلَّا أَنَّهَا كَانَتْ عُقْبًا قَامَتْ طَائِفَةٌ وَهُمْ جَمِيعٌ مَعَ رَسُولِ اللهِ ﷺ وَسَجَدَتْ مَعَهُ طَائِفَةٌ ثُمَّ قَامَ رَسُولُ اللهِ ﷺ وَسَجَدَ الَّذِينَ كَانُوا قِيَامًا لِأَنْفُسِهِمْ ثُمَّ قَامَ رَسُولُ اللهِ ﷺ وَقَامُوا مَعَهُ جَمِيعًا ثُمَّ رَكَعَ وَرَكَعُوا مَعَهُ جَمِيعًا ثُمَّ سَجَدَ فَسَجَدَ الَّذِينَ كَانُوا مَعَهُ قِيَامًا أَوَّلَ مَرَّةٍ وَقَامَ الْآخَرُونَ الَّذِينَ كَانُوا سَجَدُوا مَعَهُ أَوَّلَ مَرَّةٍ فَلَمَّا جَلَسَ رَسُولُ اللهِ ﷺ وَالَّذِينَ سَجَدُوا مَعَهُ فِي آخِرِ صَلاتِهِمْ سَجَدَ الَّذِينَ كَانُوا قِيَامًا لِأَنْفُسِهِمْ ثُمَّ جَلَسُوا فَجَمَعَهُمْ رَسُولُ اللهِ ﷺ بِالسَّلامِ