diff --git a/migrations/app/migrations_manifest.txt b/migrations/app/migrations_manifest.txt
index 80635ac6586..4556d45f28b 100644
--- a/migrations/app/migrations_manifest.txt
+++ b/migrations/app/migrations_manifest.txt
@@ -1001,3 +1001,4 @@
 20240917165710_update_duty_locations_provides_services_counseling.up.sql
 20240930171315_updatePostalCodeToGbloc233BGNC.up.sql
 20241001174400_add_is_oconus_column.up.sql
+20241001193619_market-code-enum.up.sql
diff --git a/migrations/app/schema/20241001193619_market-code-enum.up.sql b/migrations/app/schema/20241001193619_market-code-enum.up.sql
new file mode 100644
index 00000000000..472e3ee6f3b
--- /dev/null
+++ b/migrations/app/schema/20241001193619_market-code-enum.up.sql
@@ -0,0 +1,4 @@
+-- create and set market code
+create type market_code_enum as enum ('i', 'd');
+ALTER TABLE mto_shipments ADD COLUMN IF NOT EXISTS market_code market_code_enum;
+COMMENT ON COLUMN mto_shipments.market_code IS 'Market code indicator for the shipment. i for international and d for destination.';
diff --git a/pkg/models/mto_shipments.go b/pkg/models/mto_shipments.go
index 62389e95fc7..dee472017dc 100644
--- a/pkg/models/mto_shipments.go
+++ b/pkg/models/mto_shipments.go
@@ -23,6 +23,14 @@ const (
 	NTSrRaw = "HHG_OUTOF_NTS_DOMESTIC"
 )
 
+// Market code indicator of international or domestic
+type MarketCode string
+
+const (
+	MarketCodeDomestic      MarketCode = "d" // domestic
+	MarketCodeInternational MarketCode = "i" // international
+)
+
 const (
 	// MTOShipmentTypeHHG is an HHG Shipment Type default
 	MTOShipmentTypeHHG MTOShipmentType = "HHG"
@@ -160,6 +168,7 @@ type MTOShipment struct {
 	OriginSITAuthEndDate             *time.Time             `db:"origin_sit_auth_end_date"`
 	DestinationSITAuthEndDate        *time.Time             `db:"dest_sit_auth_end_date"`
 	MobileHome                       *MobileHome            `has_one:"mobile_home" fk_id:"shipment_id"`
+	MarketCode                       *MarketCode            `db:"market_code"`
 }
 
 // TableName overrides the table name used by Pop.
@@ -239,6 +248,14 @@ func (m *MTOShipment) Validate(_ *pop.Connection) (*validate.Errors, error) {
 		string(DestinationTypeOtherThanAuthorized),
 	}})
 
+	// Validate MarketCode if exists
+	if m.MarketCode != nil {
+		vs = append(vs, &validators.StringInclusion{Field: string(*m.MarketCode), Name: "MarketCode", List: []string{
+			string(MarketCodeDomestic),
+			string(MarketCodeInternational),
+		}})
+	}
+
 	return validate.Validate(vs...), nil
 }
 
diff --git a/pkg/models/mto_shipments_test.go b/pkg/models/mto_shipments_test.go
index edb7a550b91..b17797726a3 100644
--- a/pkg/models/mto_shipments_test.go
+++ b/pkg/models/mto_shipments_test.go
@@ -15,6 +15,7 @@ func (suite *ModelSuite) TestMTOShipmentValidation() {
 		sitDaysAllowance := 90
 		tacType := models.LOATypeHHG
 		sacType := models.LOATypeHHG
+		marketCode := models.MarketCodeDomestic
 		validMTOShipment := models.MTOShipment{
 			MoveTaskOrderID:      uuid.Must(uuid.NewV4()),
 			Status:               models.MTOShipmentStatusApproved,
@@ -23,6 +24,7 @@ func (suite *ModelSuite) TestMTOShipmentValidation() {
 			SITDaysAllowance:     &sitDaysAllowance,
 			TACType:              &tacType,
 			SACType:              &sacType,
+			MarketCode:           &marketCode,
 		}
 		expErrors := map[string][]string{}
 		suite.verifyValidationErrors(&validMTOShipment, expErrors)
@@ -39,9 +41,11 @@ func (suite *ModelSuite) TestMTOShipmentValidation() {
 
 	suite.Run("test rejected MTOShipment", func() {
 		rejectionReason := "bad shipment"
+		marketCode := models.MarketCodeDomestic
 		rejectedMTOShipment := models.MTOShipment{
 			MoveTaskOrderID: uuid.Must(uuid.NewV4()),
 			Status:          models.MTOShipmentStatusRejected,
+			MarketCode:      &marketCode,
 			RejectionReason: &rejectionReason,
 		}
 		expErrors := map[string][]string{}
@@ -57,6 +61,7 @@ func (suite *ModelSuite) TestMTOShipmentValidation() {
 		sitDaysAllowance := -1
 		serviceOrderNumber := ""
 		tacType := models.LOAType("FAKE")
+		marketCode := models.MarketCode("x")
 		invalidMTOShipment := models.MTOShipment{
 			MoveTaskOrderID:             uuid.Must(uuid.NewV4()),
 			Status:                      models.MTOShipmentStatusRejected,
@@ -69,6 +74,7 @@ func (suite *ModelSuite) TestMTOShipmentValidation() {
 			StorageFacilityID:           &uuid.Nil,
 			TACType:                     &tacType,
 			SACType:                     &tacType,
+			MarketCode:                  &marketCode,
 		}
 		expErrors := map[string][]string{
 			"prime_estimated_weight":        {"-1000 is not greater than 0."},
@@ -81,6 +87,7 @@ func (suite *ModelSuite) TestMTOShipmentValidation() {
 			"storage_facility_id":           {"StorageFacilityID can not be blank."},
 			"tactype":                       {"TACType is not in the list [HHG, NTS]."},
 			"sactype":                       {"SACType is not in the list [HHG, NTS]."},
+			"market_code":                   {"MarketCode is not in the list [d, i]."},
 		}
 		suite.verifyValidationErrors(&invalidMTOShipment, expErrors)
 	})