USS Grayback - 574




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A Brief History of the 
USS Grayback

Construction of the USS Grayback (SS-574) was authorized in 1953.  The keel was laid 1 July 1954 Mare Island Naval Shipyard, Vallejo, California and launched 2 July 1954 (Sponsored by Mrs. John J. Moore, widow of the last CO of the first Grayback) and commissioned 7 March 1958. The Grayback was initially designated as attack diesel submarine but conversion to guided missile submarine (SSG-574) capable of firing the Regulus II sea to surface missiles began in 1958.  The Grayback successfully launched it's first Regulus missile in September 1958. On 9 February 1959 Grayback departed Mare Island, CA for her permanent home base and arrived in Pearl Harbor, HI on 7 March 1959.  The Regulus missile program ended in 1964 and the USS Grayback was withdrawn from active service. A second conversion was authorized in 1967 and the conversion began at the Mare Island Naval Shipyard November 1967. The conversion was originally estimated at $15.2 million but actually was $30 million.  She was re-classified from a SSG to LPSS 30 August 1968 (never officially designated APSS). During conversion her sail was extended 10 feet, auxiliary tanks #3 and #4 were added to the forward position of the engine room, the missile chambers were converted to carry 67 embarked troops and SEAL swimmer delivery vehicles (SDV), and a diver's decompression chamber was constructed in the starboard hanger. By adding the auxiliary tanks to the engine room her length was extended 12 feet to an overall length of 334 feet.  The Grayback was decommissioned for the second time on 15 January 1984 at Subic Bay Naval Station in the Republic of the Philippines. After decommissioning, the USS Grayback was given the honor to make it's last and final dive in the South China Sea on 13 April 1986 where the USS Grayback remains today on eternal patrol.



Reunion 2021

Reunion Update August 2021

Hello Shipmates,

Plans have been finalized for the reunion to be held 24-29 August 2021 at the Tuscany Suites & Casino, Las Vegas NV. We used a professional reunion organizer this time, "A Complete Reunion", to do all the legwork. Here is the link to the details of the reunion. Click the Brochure link at the bottom of the page to get all the registration information. Registration deadline is July 24,

Grayback Reunion Brochure with Registration Info

For those planning on attending the 2021 Las Vegas Reunion in August there is going to be a "Ships Store". The shirts will be available for preorder, custom made for us at a reduced price from retail. If you are interested, for those attending the reunion, you will be able to pay and pickup at the Reunion. The shirts will only have USS Grayback SS-574 on them.

The embroidery on the front can be adapted to suit your wants. Silver or Gold Dolphins and your specific type boat (eg SSG-574, LPSS-574 or SS-574) There would be no difference in price Prices are SM - XL $25 2XXL - $27 3XXL - $29 Omar sized - contact for pricing Pre-Order deadline is May 20th

If you are attending you can preorder by contacting Jeff Vahala via text 360-620-1154, on Facebook Messenger, or via email @ If for some reason your plans change and you can not attend the reunion there will be an extra shipping fee of $5.00 for each shirt in addition to the price.

Shirt Front

Shirt Back

List of Registered Attendees and Years Served on Grayback:

Kent and Lorena Weekly, 1978-81

Edward and Edna Lawson, 1970-74

Joe Tattersall, 1963-64

John and Irene Chamberlain, 1971-73

Jeffery and Elsa Vahala, 1974-77

Jim and Sandy Dafoe, 1973-75

Tom Hochrine, 1979-84

Denise Brogan-Kator, 1972-76

Richard Kreh, 1963-64

Henry and Irma Chan, 1975-77

Lynn and Ann Miller, 1978-81

Mike Ballinger, 1972-75

Jeffry and Rosa Dilick, 1976-81

William Douglas, 1971-73

James "Jim" and Elizabeth Gee, 1972-75

Kevin and Kathy Clark, 1983-84

Thomas Dukes, 1973-77 & 1978-82

Craig Skarphol, 1979-81

Jeffery Fuller, 1975-80

Mike and Tess Dimmick, 1980-81 and Cora Tostevin

Gerald Tompsett, 1972-77

Lawrence Davis and guests Ma Elma and Lawrence Davis Jr, 1968-70 and 1973-77

Roy Vess 1979-83

Gary Rees 1973-75 & 1977-79

Wayne and Stephana Campbell

John Matos 1978*82

Plan of the Week

Tuesday August 24th

1500 Check in at the front desk

- Hospitality room opens at 1500 as well, join us to meet and greet and to pick up name tags for you and your guests.

-Throughout the reunion, a 50/50 raffle tickets will be sold. The winner will receive 50% of the take and the reunion fund will receive the remaining 50%. See a committee member during check in for more details. Deadline for the 50/50 entry is Saturday @1600 and the winner will be drawn during the banquet.

- The tip jar will be on the table in the hospitality room throughout the entire reunion. Money donated by the guests will be used to purchase the consumables for the hospitality room, two lunches, beer, water, soft drinks, and ice. All left over money will be deposited in the Grayback fund at the completion of the reunion. Please donate.

- Like golfing? Brought your clubs with you? An opportunity for an early Friday Tee time at Nellis AFB is available. Contact Lynn Miller for details and to sign up.

- Interested in the Cribbage tournament? A $5.00 entry fee is required. All entrants will be paired and will play based on your schedule until a champion is crowned. WINNER TAKE ALL!!

Wednesday August 25th

- 0700 - Join us for coffee and doughnuts in the hospitality room. (Paid by donations in the tip jar)

- 0900 - The Ships Store will be open in the Hospitality room. FIRST COME, FIRST SERVED! A limited number of Ball Caps and shirts will be available for purchase. All are sold at cost with zero profit. Ball caps are $ , and shirts range from $ to $ depending upon size. Contact Jeff Dilick for details. CASH ONLY PLEASE.

- 1200 - A Pizza lunch will be supplied by the reunion committee. (Paid by donations in the tip jar)

- 50/50 drawing and the cribbage tournament continues.

- Thursday August 26th

- 0830-1230 - Reunion Breakfast and Business meeting. Payment for this event was due when you submitted your registration packet. Payment cannot be accepted during the reunion or at the door to the event. Sorry. Individual introductions will be expected. The Committee chair will provide a list of topics in advance to be discussed and voted on during the meeting.

- 50/50 drawing and the cribbage tournament continues.

Friday August 27th

- 1200 - Join us for a Filipino Lunch to be Supplied by the local Seafood City Market. Menu TBD at this point but will be posted in advance of the event. (Paid by donations in the tip jar)

- 50/50 drawing and the cribbage tournament continues.

-Saturday August 28th

- Deadline for the 50/50 drawing is 1600 today.

- Live auction during the evening banquet. Hit the ATM prior to the auction as this is a cash and carry event. Various members of the crew have donated Submarine/Grayback memorabilia to be auctioned off during this event. Items such as rare plagues, books, Grayback Mugs, limited edition artwork and others will be available. All proceeds go to the Grayback fund to help defer future costs.

- 1700 – Group pictures in the banquet room. Be there to get in on the festivities.

- 1830-2130 Reunion Banquet. This event will start with a Two Bell Ceremony, followed by dinner supplied by the Tuscany. Payment for this event was due when you submitted your registration packet. Payment cannot be accepted during the reunion or at the door to the event. Sorry. Following the dinner, the auction will be conducted followed by the closing comments.

- The hospitality room will be open following the banquet for approximately two hours for final stories.

- Sunday August 29th

- Check out prior to 1100. Safe travel

We hope you can attend and look forward to another fabulous time with old friends and the opportunity to reminisce about what, for most of us, was the high point of our naval careers. We are also looking for suggestions for a guest speaker. So if you or someone you know who can attend, would be willing to stand-in, please reply to our email with any thoughts. Or if there is really something of interest to all about Las Vegas or it's history, we can certainly investigate the local resources to see if something can be arranged.

Wishing everyone well,

p.s. if you have changed any of your other contact information in the past few years please send us the info at

Thank you, Your Reunion Committee, Kent Weekly, Mike Dimmick, Lynn Miller

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