diff --git a/src/main/java/org/broadinstitute/dsm/model/gbf/CancelRequest.java b/src/main/java/org/broadinstitute/dsm/model/gbf/CancelRequest.java
new file mode 100644
index 000000000..e1eee73b8
--- /dev/null
+++ b/src/main/java/org/broadinstitute/dsm/model/gbf/CancelRequest.java
@@ -0,0 +1,13 @@
+package org.broadinstitute.dsm.model.gbf;
+
+import com.google.gson.annotations.SerializedName;
+
+public class CancelRequest {
+
+    @SerializedName("orderNumber")
+    private String orderNumber;
+
+    public CancelRequest(String orderNumber) {
+        this.orderNumber = orderNumber;
+    }
+}
diff --git a/src/main/java/org/broadinstitute/dsm/model/gbf/CancelResponse.java b/src/main/java/org/broadinstitute/dsm/model/gbf/CancelResponse.java
new file mode 100644
index 000000000..44fee729a
--- /dev/null
+++ b/src/main/java/org/broadinstitute/dsm/model/gbf/CancelResponse.java
@@ -0,0 +1,34 @@
+package org.broadinstitute.dsm.model.gbf;
+
+import com.google.gson.annotations.SerializedName;
+
+public class CancelResponse {
+
+    @SerializedName("orderNumber")
+    private String orderNumber;
+
+    @SerializedName("orderStatus")
+    private String orderStatus;
+
+    @SerializedName("success")
+    private Boolean success;
+
+    @SerializedName("errorMessage")
+    private String errorMessage;
+
+    public String getOrderNumber() {
+        return orderNumber;
+    }
+
+    public String getOrderStatus() {
+        return orderStatus;
+    }
+
+    public boolean wasSuccessful() {
+        return Boolean.TRUE.equals(success);
+    }
+
+    public String getErrorMessage() {
+        return errorMessage;
+    }
+}
diff --git a/src/main/java/org/broadinstitute/dsm/util/externalShipper/CancelGBFOrderCLI.java b/src/main/java/org/broadinstitute/dsm/util/externalShipper/CancelGBFOrderCLI.java
new file mode 100644
index 000000000..5bc634ef7
--- /dev/null
+++ b/src/main/java/org/broadinstitute/dsm/util/externalShipper/CancelGBFOrderCLI.java
@@ -0,0 +1,52 @@
+package org.broadinstitute.dsm.util.externalShipper;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.io.IOUtils;
+import org.broadinstitute.dsm.model.gbf.CancelResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class CancelGBFOrderCLI {
+
+    private static final Logger logger = LoggerFactory.getLogger(CancelGBFOrderCLI.class);
+
+
+    public static void main(String[] args) {
+        String cancelUrl = args[0];
+        String apiKey = args[1];
+        String ordersFile = args[2];
+        FileReader ordersReader = null;
+        List<String> ordersToCancel = new ArrayList<>();
+
+        try {
+            ordersReader = new FileReader(new File(ordersFile));
+            ordersToCancel = IOUtils.readLines(ordersReader);
+        } catch(IOException e) {
+            logger.error("Could read orders from file " + ordersFile,e);
+        }
+
+        if (ordersReader != null) {
+            CancelResponse cancelResponse = null;
+            for (String orderNumber : ordersToCancel) {
+                try {
+                    cancelResponse = GBFRequestUtil.cancelOrder(orderNumber, cancelUrl, apiKey);
+                    if (cancelResponse.wasSuccessful()) {
+                        logger.info("Cancelled order {}", orderNumber);
+                    } else {
+                        logger.error("Could not cancel order {} due to {}",orderNumber, cancelResponse.getErrorMessage());
+                    }
+                } catch(Exception e) {
+                    logger.error("Could not cancel order {}", orderNumber, e);
+                }
+            }
+        }
+
+
+    }
+}
diff --git a/src/main/java/org/broadinstitute/dsm/util/externalShipper/GBFRequestUtil.java b/src/main/java/org/broadinstitute/dsm/util/externalShipper/GBFRequestUtil.java
index 42a079b90..bb35c1c92 100644
--- a/src/main/java/org/broadinstitute/dsm/util/externalShipper/GBFRequestUtil.java
+++ b/src/main/java/org/broadinstitute/dsm/util/externalShipper/GBFRequestUtil.java
@@ -2,6 +2,7 @@
 
 import com.google.api.client.http.HttpStatusCodes;
 import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
 import lombok.NonNull;
 import org.apache.commons.lang3.NotImplementedException;
 import org.apache.commons.lang3.StringUtils;
@@ -96,15 +97,17 @@ public class GBFRequestUtil implements ExternalShipper {
 
     private static Executor blindTrustEverythingExecutor;
 
-    public GBFRequestUtil() {
+    static {
+        initTrust();
+    }
+
+    private static synchronized void initTrust() {
         try {
             if (blindTrustEverythingExecutor == null) {
                 blindTrustEverythingExecutor = Executor.newInstance(SecurityUtil.buildHttpClient());
             }
-        }
-        catch (Exception e) {
+        } catch (Exception e) {
             logger.error("Starting up the blindTrustEverythingExecutor ", e);
-            System.exit(-3);
         }
     }
 
@@ -615,4 +618,23 @@ public static void markKitRequestAsOrdered(ArrayList<KitRequest> kitRequests) {
 
     }
 
+    public static CancelResponse cancelOrder(String orderNumber, String cancelUrl, String apiKey) throws Exception {
+        Gson gson = new GsonBuilder().setPrettyPrinting().serializeNulls().create();
+        CancelRequest cancelRequest = new CancelRequest(orderNumber);
+        logger.info("About to cancel GBF order {}", orderNumber);
+        CancelResponse cancelResponse = executePost(CancelResponse.class, cancelUrl, gson.toJson(cancelRequest), apiKey);
+
+        if (cancelResponse != null) {
+            if (cancelResponse.wasSuccessful()) {
+                logger.info("Cancelled GBF order {}", orderNumber);
+            } else {
+                logger.error("Could not cancel GBF order " + orderNumber + " due to " + cancelResponse.getErrorMessage());
+            }
+        } else {
+            logger.error("Got no response after cancelling GBF order " + orderNumber);
+        }
+        return cancelResponse;
+    }
+
+
 }