diff --git a/docs/_static/data/metrics.json b/docs/_static/data/metrics.json
index b17f994..c83816a 100644
--- a/docs/_static/data/metrics.json
+++ b/docs/_static/data/metrics.json
@@ -54,5 +54,12 @@
   "family": "solver",
   "image": "ghcr.io/converged-computing/metric-nekbone:latest",
   "url": "https://github.com/Nek5000/Nekbone"
+ },
+ {
+  "name": "app-pennant",
+  "description": "Unstructured mesh hydrodynamics for advanced architectures ",
+  "family": "simulation",
+  "image": "ghcr.io/converged-computing/metric-pennant:latest",
+  "url": "https://github.com/LLNL/pennant"
  }
 ]
\ No newline at end of file
diff --git a/pkg/metrics/app/pennant.go b/pkg/metrics/app/pennant.go
new file mode 100644
index 0000000..1df7bb7
--- /dev/null
+++ b/pkg/metrics/app/pennant.go
@@ -0,0 +1,133 @@
+/*
+Copyright 2023 Lawrence Livermore National Security, LLC
+ (c.f. AUTHORS, NOTICE.LLNS, COPYING)
+
+SPDX-License-Identifier: MIT
+*/
+
+package application
+
+import (
+	"fmt"
+
+	api "github.com/converged-computing/metrics-operator/api/v1alpha1"
+	"k8s.io/apimachinery/pkg/util/intstr"
+
+	"github.com/converged-computing/metrics-operator/pkg/metadata"
+	metrics "github.com/converged-computing/metrics-operator/pkg/metrics"
+	"github.com/converged-computing/metrics-operator/pkg/specs"
+)
+
+type Pennant struct {
+	metrics.LauncherWorker
+
+	// Custom Options
+	command string
+	prefix  string
+}
+
+// I think this is a simulation?
+func (m Pennant) Family() string {
+	return metrics.SimulationFamily
+}
+
+func (m Pennant) Url() string {
+	return "https://github.com/LLNL/pennant"
+}
+
+// Set custom options / attributes for the metric
+func (m *Pennant) SetOptions(metric *api.Metric) {
+	m.ResourceSpec = &metric.Resources
+	m.AttributeSpec = &metric.Attributes
+
+	// Set user defined values or fall back to defaults
+	m.prefix = "mpirun --hostfile ./hostlist.txt"
+	m.command = "pennant /opt/pennant/test/sedovsmall/sedovsmall.pnt"
+	m.Workdir = "/opt/pennant/test"
+
+	// This could be improved :)
+	command, ok := metric.Options["command"]
+	if ok {
+		m.command = command.StrVal
+	}
+	workdir, ok := metric.Options["workdir"]
+	if ok {
+		m.Workdir = workdir.StrVal
+	}
+	mpirun, ok := metric.Options["mpirun"]
+	if ok {
+		m.prefix = mpirun.StrVal
+	}
+}
+
+// Exported options and list options
+func (m Pennant) Options() map[string]intstr.IntOrString {
+	return map[string]intstr.IntOrString{
+		"command": intstr.FromString(m.command),
+		"mpirun":  intstr.FromString(m.prefix),
+		"workdir": intstr.FromString(m.Workdir),
+	}
+}
+func (n Pennant) ListOptions() map[string][]intstr.IntOrString {
+	return map[string][]intstr.IntOrString{}
+}
+
+func (m Pennant) PrepareContainers(
+	spec *api.MetricSet,
+	metric *metrics.Metric,
+) []*specs.ContainerSpec {
+
+	// Metadata to add to beginning of run
+	meta := metrics.Metadata(spec, metric)
+	hosts := m.GetHostlist(spec)
+	prefix := m.GetCommonPrefix(meta, m.command, hosts)
+
+	preBlock := `
+echo "%s"
+`
+
+	postBlock := `
+echo "%s"
+%s
+`
+	command := fmt.Sprintf("%s ./problem.sh", m.prefix)
+	interactive := metadata.Interactive(spec.Spec.Logging.Interactive)
+	preBlock = prefix + fmt.Sprintf(preBlock, metadata.Separator)
+	postBlock = fmt.Sprintf(postBlock, metadata.CollectionEnd, interactive)
+
+	// Entrypoint for the launcher
+	launcherEntrypoint := specs.EntrypointScript{
+		Name:    specs.DeriveScriptKey(m.LauncherScript),
+		Path:    m.LauncherScript,
+		Pre:     preBlock,
+		Command: command,
+		Post:    postBlock,
+	}
+
+	// Entrypoint for the worker
+	workerEntrypoint := specs.EntrypointScript{
+		Name:    specs.DeriveScriptKey(m.WorkerScript),
+		Path:    m.WorkerScript,
+		Pre:     prefix,
+		Command: "sleep infinity",
+	}
+
+	// Container spec for the launcher
+	launcherContainer := m.GetLauncherContainerSpec(launcherEntrypoint)
+	workerContainer := m.GetWorkerContainerSpec(workerEntrypoint)
+
+	// Return the script templates for each of launcher and worker
+	return []*specs.ContainerSpec{&launcherContainer, &workerContainer}
+}
+
+func init() {
+	launcher := metrics.LauncherWorker{
+		Identifier:     "app-pennant",
+		Summary:        "Unstructured mesh hydrodynamics for advanced architectures ",
+		Container:      "ghcr.io/converged-computing/metric-pennant:latest",
+		WorkerScript:   "/metrics_operator/pennant-worker.sh",
+		LauncherScript: "/metrics_operator/pennant-launcher.sh",
+	}
+	Pennant := Pennant{LauncherWorker: launcher}
+	metrics.Register(&Pennant)
+}