diff --git a/draft/tshirts/logos/GCHQ_logo-c3d2-eri.svg b/draft/tshirts/logos/GCHQ_logo-c3d2-eri.svg
new file mode 100644
index 000000000..feff1dc12
--- /dev/null
+++ b/draft/tshirts/logos/GCHQ_logo-c3d2-eri.svg
@@ -0,0 +1,1212 @@
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diff --git a/draft/tshirts/logos/GCHQ_logo-c3d2.svg b/draft/tshirts/logos/GCHQ_logo-c3d2.svg
new file mode 100644
index 000000000..349ce6b12
--- /dev/null
+++ b/draft/tshirts/logos/GCHQ_logo-c3d2.svg
@@ -0,0 +1,1237 @@
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diff --git a/draft/tshirts/logos/GCHQ_logo-c3d2sw.svg b/draft/tshirts/logos/GCHQ_logo-c3d2sw.svg
new file mode 100644
index 000000000..45efc129f
--- /dev/null
+++ b/draft/tshirts/logos/GCHQ_logo-c3d2sw.svg
@@ -0,0 +1,113 @@
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diff --git a/draft/tshirts/logos/GCHQ_logo-simple.svg b/draft/tshirts/logos/GCHQ_logo-simple.svg
new file mode 100644
index 000000000..38cb3724b
--- /dev/null
+++ b/draft/tshirts/logos/GCHQ_logo-simple.svg
@@ -0,0 +1,1141 @@
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diff --git a/draft/tshirts/logos/GCHQ_logo-simpler.svg b/draft/tshirts/logos/GCHQ_logo-simpler.svg
new file mode 100644
index 000000000..d41e1a4d4
--- /dev/null
+++ b/draft/tshirts/logos/GCHQ_logo-simpler.svg
@@ -0,0 +1,1149 @@
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diff --git a/draft/tshirts/logos/GCHQ_logo.svg b/draft/tshirts/logos/GCHQ_logo.svg
new file mode 100644
index 000000000..d83ca66c7
--- /dev/null
+++ b/draft/tshirts/logos/GCHQ_logo.svg
@@ -0,0 +1,286 @@
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