The Lutheran Church—Missouri Synod (LCMS) is a confessional Lutheran church body, established in her agreement and common confession of the pure teaching of Holy Scriptures. She unreservedly commits herself to the three ecumenical creeds and the confessional writings of the Evangelical Lutheran Church—as found in The Book of Concord of 1580, because these confessions are in accord with the Word of God. The LCMS is comprised of almost 6,000 congregations and carries out mission outreach, education, and human care in the United States and around the world.

The Wyoming District of the LCMS includes 40 congregations in Wyoming, 19 congregations in the Nebraska panhandle, and one congregation in northern Colorado. The district fully supports the Wind River Lutheran Mission to the Eastern Shoshone and Northern Arapaho peoples located at Fort Washakie, Wyoming. The district also provides substantial support to St. Andrew’s Lutheran Church and Campus Center, which serves the students of the University of Wyoming and WyoTech in Laramie, Wyoming. District congregations operate five classical Lutheran schools in Wyoming (Casper, Cheyenne, Riverton, Sheridan) and Nebraska (Alliance).

Ephesians 4:1–6 (ESV):
1I therefore, a prisoner for the Lord, urge you to walk in a manner worthy of the calling to which you have been called, 2with all humility and gentleness, with patience, bearing with one another in love, 3eager to maintain the unity of the Spirit in the bond of peace. 4There is one body and one Spirit—just as you were called to one hope that belongs to your call—5one Lord, one faith, one baptism, 6one God and Father of all, who is over all and through all and in all.

Acts 15:36, 41 (ESV):
And after some days Paul said to Barnabas, “Let us return and visit the brothers in every city where we proclaimed the word of the Lord and see how they are.”... And he went through Syria and Cilicia strengthening the churches.

From the Preface to The Book of Concord (23–24, KW):
In conclusion, to repeat once again for the last time, we are minded not to manufacture anything new through this work of concord nor to depart in either substance or expression to the smallest degree from the divine truth, acknowledged and professed at one time by our blessed predecessors and us, as based upon the prophetic and apostolic Scripture and comprehended in the three Creeds, in the Augsburg Confession presented in 1530 to Emperor Charles V of kindest memory, in the Apology that followed it, and in the Smalcald Articles [including the Treatise on the Power and Primacy of the Pope] and the Large and Small Catechisms of that highly enlightened man, Dr. Luther. On the contrary, by the grace of the Holy Spirit we intend to persist and remain unanimously in this truth and to regulate all religious controversies and their explanations according to it. In addition, we have determined and intend to live in genuine peace and unity with our colleagues. . .
Likewise, we desire furthermore to agree in a friendly way among ourselves earnestly, using whatever means possible, to maintain this work of concord in our lands, according to our own and each community’s circumstances, through diligent visitation in the churches and schools, through supervision of the presses, and through other salutary means. And should the present controversies about our Christian religion again surface or new ones arise, we agree that to protect against all kinds of scandal they be settled and reconciled in a timely way before given a chance to spread. (Preface to The Book of Concord 23–24)