Pam and Mark Grumbles were missionaries in Costa Rica. The service begins with a word of prayer (00:00-01:07). The speaker delivers the Scripture reading from Isaiah 6:1-8 and Matthew 9:35-38 (01:08-04:30). Pam and Mark Grumbles are introduced as the Missionary Day speakers (04:31-05:46). The Grumbles share the testimony of their call to foreign missions and their journey to becoming missionaries in Paraguay and now, after seminary, Costa Rica (05:47-33:19).
