8 verses

Judg 3:2

(NIV)
(he did this only to teach warfare to the descendants of the Israelites who had not had previous battle experience):
(ESV)
It was only in order that the generations of the people of Israel might know war, to teach war to those who had not known it before.

1Kgs 5:3

(NIV)
‘You know that because of the wars waged against my father David from all sides, he could not build a temple for the Name of the  Lord his God until the  Lord put his enemies under his feet.
(ESV)
“You know that David my father could not build a house for the name of the  Lord his God because of the warfare with which his enemies surrounded him, until the  Lord put them under the soles of his feet.

1Kgs 14:30

(NIV)
There was continual warfare between Rehoboam and Jeroboam.
(ESV)
And there was war between Rehoboam and Jeroboam continually.

2Chr 12:15

(NIV)
As for the events of Rehoboam’s reign, from beginning to end, are they not written in the records of Shemaiah the prophet and of Iddo the seer that deal with genealogies? There was continual warfare between Rehoboam and Jeroboam.
(ESV)
Now the acts of Rehoboam from first to last, are they not written in the chronicles of Shemaiah the prophet and of Iddo the seer? There were continual wars between Rehoboam and Jeroboam.

Isa 27:8

(NIV)
By warfare and exile you contend with her –
with his fierce blast he drives her out,
as on a day the east wind blows.
(ESV)
Measure by measure by exile you contended with them;
he removed them with his fierce breath in the day of the east wind.

Isa 40:2

(NIV)
Speak tenderly to Jerusalem,
and proclaim to her
that her hard service has been completed,
that her sin has been paid for,
that she has received from the  Lord’s hand
double for all her sins.
(ESV)
Speak tenderly to Jerusalem,
and cry to her
that her warfare is ended,
that her iniquity is pardoned,
that she has received from the  Lord’s hand
double for all her sins.

2Cor 10:4

(NIV)
The weapons we fight with are not the weapons of the world. On the contrary, they have divine power to demolish strongholds.
(ESV)
For the weapons of our warfare are not of the flesh but have divine power to destroy strongholds.

1Tim 1:18

(NIV)
Timothy, my son, I am giving you this command in keeping with the prophecies once made about you, so that by recalling them you may fight the battle well,
(ESV)
This charge I entrust to you, Timothy, my child, in accordance with the prophecies previously made about you, that by them you may wage the good warfare,
Copyright information for NIV, ESV