26 April 1941 -(ABOUT 8 MONTHS BEFORE WW2 BEGAN)- YN-22 was placed "In Service" and assigned net maintenance duties under the Tenth Naval District while based at the Naval Net Depot, Guantanamo Bay, Cuba. For 18 months before being reclassified, she worked around the shipping lanes picking up survivors of ships and fishing boats that had been sank by German U-boats.

19 DECEMBER 1942 - Originally classified as a Boom (Net) Tender, (YN-22), was removed from 'In Service' status and redesignated as USS MULBERRY, (AN-27), under the command of Lieutenant W. T. Holly, USNR, receiving 40 men from the Naval Net Depot as complement.
29 May 1943 - Underway from Guantanamo Bay.
31 May 1943 - Arrived Barahonas, Republic Dominico.
1 June 1943 - Underway from Barahonas - arrived San Pedro, DeMarcoris, Republic Dominico - worked on nets.
12 June 1943 - Underway from San Pedro - Arrived Romano, Republic Dominico - worked on nets.
14 June 1943 - Underway from Ramano - Arrived San Pedro, DeMarcoris, Republic Dominico - worked on nets.
18 June 1943 - Underway from San Pedro.
20 June 1943 - Arrived Guantanamo Bay.
At that time Mulberry was assigned to Adak, Alaska.
18 July 1943 - Underway from Guantanamo Bay.
25 July 1943 - Arrived Norfolk Virginia Navy Yard.
27 July 1943 - Underway from Norfolk Navy Yard - arrived Berkley Virginia say day.
2 August 1943 - Underway from Berkley - Arrived Norfolk Virginia Navy Yard - repairs and drydock.
27 August 1943 - Underway from Norfolk.
1 September 1943 - Arrived Miami Florida.
4 September 1943 - Underway from Miami - Arrived Key West Florida.
7 September 1943 - Underway from Key West.
11 September 1943 - Arrived Cocoa Solo, Canal Zone.
12 September 1943 - Underway from Cocoa Solo through Panama Canal - Arrived Balboa, Canal Zone.
14 September 1943 - Underway from Balboa, Canal Zone.
21 September 1943 - Arrived Manzanillo, Mexico.
22 September 1943 - Underway from Manzanillo, Mexico.
26 September 1943 - Arrived San Diego, California.
28 September 1943 - Underway from San Diego, California.
3 October 1943 - Arrived Seattle, Washington (Pier 40).
12 October 1943 - Underway from Pier 40 - Arrived Lake Union for repairs.
8 November 1943 - Underway from Lake Union - Arrived Naval Ammunition Depot for loading. Proceedding to Pier 40.
24 November 1943 - Underway from Pier 40 - Arrived Indian Island - worked on nets.
5 December 1943 - Underway from Indian Island - Arrived Pier 40.
9 December 1943 - Underway from Seattle, Washington.
17 December 1943 - Arrived Dutch Harbor, Unalaska Island, Aleutians.
20 December 1943 - Underway from Dutch Harbor.
22 December 1943 - Arrived Sweeper Cove, Adak Island, Aleutians for duty.
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1 March 1944 - LT. W. T. Holly, USNR - relieved of duty after serving as Skipper for 14 months,13 days. LT. J. A. Haas, USN - took charge as new Skipper.
9 April 1944 - Underway from Sweeper Cove, Arrived Tanaga Island. Worked on navigational channel buoy, Lash Bay.
14 April 1944 - Underway from Tanaga - Arrived Sweeper cove, Adak Island.
28 June 1944 - Underway from Adak - arrived Nazan Bay, Atka Island, Aleutians. Salvaged nets.
9 July 1944 - Underway from Atka - Arrived Adakl Island.
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2 July 1945 - Underway from Atka.
3 July 1945 - Arrived Massacre Bay, Attu Island, Aleutians for duty.
6 September 1945 - LT. J. A. Haas, USN, was relieved o duty after serving as Skipper for 14 Months, 6 Days. LT. W. A. Schraegle, Jr., USNR, took over as new Skipper.
8 September 1945 - Underway from Attu Island.
9 September 1945 - Arrived Adak Island.
30 November 1945 - LT. W. A. Schraegle, Jr., USNR, was relieved of duty for serving as Skipper for 86 days. LT. W. G. Bryan, USNR, took over as new Skipper.
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24 January 1946 - LT. W. G. Bryan, USNR, was relieved of duty after serving as Skipper for 54 Days. LTJG G. W. STERNER, USNR, took over as new Skipper.
22 March 1946 - LT. G. W. Sterner, USRN, was relieved of duty after serving as Skipper for 58 days. LTJG W. M. Howard, USN, took over as new Skipper.
12 April 1946 - Departed Adak, first making deliver of freight at Kodiak, then via Hooah Harbor, Port MacArthur, and Ketchikan.
26 April 1946 - Arrived at the Puget Sound Naval Shipyard, Bremerton, Washington.
21 July 1946 - Underwent Overhaul at the Puget Sound Naval Shipyard and departed Seattle with YC-837 in tow.
26 July 1946 - Arrived Sitka, Alaska.
31 July 1946 - Departed Sitka, Alaska.
2 August 1946 - Arrived Kodiak, Alaska. Operating from that :Port, carreid light cardo and transported personnel to Afognak Island and the Ports of Chirikof, Sitka, and Juneau, Alaska.
9 October 1946 - Departged Kodiak as escort for YO-212.
12 October 1946 - Took YO-212 in tow while at sea.
13 October 1946 - Arrived Sand Point with YO-212.
14 October 1946 - Mulberry was towed via Dutch Harbor to Adak, Alaska.
19 November 1946 - Arrived Dutch Adak for overhaul and repairs.
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31 January 1947 - Departed Adak.
3 February 1947 - Arrived Dutch Harbor to *load cargo.
9 February 1947 - Departed Dutch Harbor - - Touched at Sand Point on 10 February; and visited Kodiak 12-20 February.
20 February 1947 - Departed Kodiak for Seattle, Washington - but suffered a breakdown on 23 February and was taken in tow by LSM-388 for repairs at Juneau, Alaska.
24-27 February 1947 - Repairs at Juneau.
27 February 1947 - Underway for Seattle, Washington.
4 March 1947 - Arrived Seattle, Washington.
*NOTE - About the 'cargo' shown in 3 January 1947: I was told by one of the former crewmembers that the cargo was a casket which held the remains of a civilian worker who tried to run down a Polar Bear with his catapillar. The bear jumped up in the cab and mauled him to death. As you can see - the casket was onboard for 2 months.
12 March 1947 - Arrived San Francisco. After overhaul in the Terminal Island Navy Yard.
1 May 1947 - Commenced local training exercises at the U S Naval Net Depot, Tiburon, California
29 May 1947 - Departed Tiburon to Pearl Harbor.
7 June 1947 - Arrived Pearl Harbor. Assigned to Hawaiian duty engaging in Harbor Operations at Pearl Harbor.
1 October 1947 - LTJG W. M. Howard, USN, relieved of duty after serving as Skipper for 18 months, 14 days. LTJG, J. K. Alexander, USN, took over as new Skipper.
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19 January 1948 - Arived San Francisco. After a visit to San Pedro, resumed operations at Tiburon.
1 April 1948 - Entered San Francisco Naval Shipyard for overhaul.
18 June 1948 - Returned to Tiburon.
18 July 1948 - Departed Tiburon to Adak, Alaska via Seattle, Washington.
30 July 1948 - Arrived Adak, Alaska.
6 October 1948 - Departed Adak, Alaska.
17 October 1948 - Arrived Naval Net Depot at Tiburon, California. Was assigned to the area of Tiburon and San Diego being readied for a special assignment.
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16 February 1949 - LTJG, J. K. Alexander, USN, relieved of duty after serving as Skipper for 16 months, 16 days. LTJG, J. B. Birtch, USN, took over as new Skipper.
1 September to 30 April 1950 - The Mulberry (through the Office of Naval Research), was assigned to the California Academy of Sciences to probe out the secrets hidden in the ocean deep which lies just thirty miles out of the Golden Gate and six miles west of the Farallone Islands. Here the continental shelf, a great slab of gently sloping ocean floor, drops abruptly from less than 100 feet to 2,000 feet below sea level. The study along the 120 mile section was carried on at depths ranging from 6,000 to 1,800 feet. Hundreds of feet of steel cable would be reeled out - - at the other end was a huge steel sieve-like cylinder, (or cone shaped), used to dredge the ocean bottom.
81 miles southwest of the golden Gate were two undersea mountains. The Pioneer, rising some 8,000 feet above the ocean floor, and The Guide, rising some 5,400 feet from the ocean floor. Aftger five trips out, another undersea mountain, (volcano), was found, rising some 7,020 feet from the ocean floor. It was named after the survey ship, MULBERRY.
1 May 1950 - Underway to Bremerton, Washington.
5 May 1950 - Arrived Bremerton, Washington. Conducted training operations and net tending.
8 July 1950 - Departed Bremerton to Yokosuka, Japan. In the company with units of LSR Division 11, via Pearl Harbor.
6 August 1950 - Arived at Yokosuka, Japan.
8 August 1950 - Commenced net repairs and guard station in the harbor defense net area of Sasebo Harbor.
6 November 1950 - LTJG, J. B. Birtch, USN, relieved of duty after serving as Skipper for 20 months, 21 days. LT. R. A. Rabe, USN, took charge as new Skipper. Read about the removal from duty of Captain J. B. Birtch.
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18 January 1951 - LT, R. A. Rabe, USN, relieved of dutyafter serving as Skipper for 74 days. LT, I. T. Benson, USNR, took charge as new Skipper.
6 February 1951 - Departed to Yokosuka and commenced net laying operations.
7 April 1951 - Returned to Sasebo and resumed service at that port.
30 June 1951 - Taken in tow by USS GRASP (ASR-24). The vessels called at Sasebo thence to Pearl Harbor, arriving 20 July 1951. Mulberry underwent overhaul in the Pearl Harbor Naval Shipyard and after refresher training, departed for Sasebo.
7 November 1951 - Arrived Sasebo.
29 November 1951 - Resumed net tending.
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21 January 1952 - Operations was shifted to Yokosuka.
29 February 1952 - Gleaning in Yokosuka Harbor, brought up a 500 pound Japanese aerial bomb to surface - fouled in the mooring. The bomb was turned over to Crane Barge No.2 the next day after it had been checked by bomb disposal unit.
19 August 1952 - LT, I. T. Benson, USNR, relieved of duty after serving as Skipper for 19 months, 20 days. LT, S. J. Martin, USN, took charge as new Skipper.
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22 May 1953 - Departed Yokosuka for a brief stay at Sasebo.
29 May 1953 - Arrived Pusan Harbor, Korea for net tending operations.
16 June 1953 - Returned to Sasebo and thereafter operated from that port for service at the Korean ports of Chajo Do, (8-9 July); Pusan, (10-11 July); Ulsam Harbor, (24-25 July); Wonsan, (29-30 July); and Chin Hae, (31 July - 1 August 1953).
13 August - to 15 September 1953 - Net tending duties at Yokosuka.
23 September 1953 - LT, S. J. Martin, USN, relieved of duty after serving as Skipper for 13 months, 6 days. LT, W. G. Sternberg, USN, took charge as new Skipper.
NOTE: FROM 23 SEPTEMBER 1953 TO 16 JUNE 1955, THERE IS ABSOLUTELY NO RECORD OF THE SHIP MOVEMENTS. THIS WAS WHILE UNDER THE COMMAND OF LT. W. G. STERNBERG.
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16 June 1955 - LT, W. G. Sternberg, USN, was relieved of duty after serving as Skipper for 20 months, 25 days. LT, H. W. Peterson, USN, took charge as new Skipper.
21 -29 September 1955 - laid cable off Wakkanai, Japan.
6 October 1955 - Made brief visit to Otaru and retuned to Yokosuka.
21 October 1955 - Made brief visit to Forosan ports of Kaclung and Tsoying.
30 October to 12 November 1955 - Engaged in net laying operations at Mako, Pesaedores Islands.
NOTE: CNO SPEEDLETER OP-332D2/SERIAL No.528p33, DATED 9 SEPTEMBER 1955, TRANSFERS THE MULBERRY FROM COMMANDER, SERVICE FORCE, U S PACIFIC FLEET TO COMMAND, MINE FORCE, U S PACIFIC FLEET, WITH HOME PORT LONG BEACH, CALIFORNIA EFFECTIVE 1 NOVEMBER 1955.
18 November 1955 - Returned to Yokosuka.
23 November 1955 - Departed Yokosuka for United States after serving 5 years, 4 months of non-rotating duty in Japan.
23 December 1955 - Mulberry returned to Long Beach Naval Station, and tied up with Mind Sweepers at 'pipeline pier'. The ship reported to the operational control of Commander Mine Force, U S Pacific Fleet, and based her operations from that port - during which time participated in various mine exercises as a recovery vessel. It was found that the ship was an excellent for mine recovery due to her low freeboard, and large forecastle with it's eight-ton boom.
31 May to 18 August 1956 - Duty was intervened and placed in drydock at the Long Beach Naval Shipyard drydock for regular overhaul. In the shipyard she was fitted with a new radar, additional air compressors for diving operations, and a single-lock decompression chamber. Habitability was greatly improved by the installation of an all new galley and new deck tile throughout the living spaces.
13-15 January 1957 - Mine recovery services were rendered to CTG 59.4, in an operation off Camp Pendleton, California.
19-22 January 1957 - Mine recovery services were rendered to CTG 59.4, in an operation off Camp Pendleton, California.
25-26 February 1957 - Diving services performed for the USS SHEA (DM-30), in Long Beach Harbor.
26-27 February 1957 - Towing services were rendered to Mine Squadron Seven. The YNF-251, aground on San Nicholas Island, was towed to Long Beach Harbor.
11-15 March 1957 - Diving and decompression services were made available to CTG 59.5, in a mine test off San Nicholas Island, California.
22 March to 8 April 1957 - Rendered escort and refueling services to the royal Danish Navy Ship GULDBORGSUND (ex-MSC-257), and the Royal Danish Navy ship VILSUND (ex-MSC-264). The Danish ships were escorted to Acapulco, Mexico, where they were refuled by the Mulberry. The outstanding event for the Mulberry was this trip to Acapulco. The trip provided a chance for the officers and men of the Mulberry, and the two Danish ships to get to know one another on a social as well as a professional basis. The high point of the trip was the participation in the party at Acapulco, which was hosted by the Danish ambassador to Mexico. Danish ships proceeded to Panama and Mulberry returned to Long Beach.
9-11 April 1957 - Mine recovery services were performed for CTG 59.5, in a mine test exercise conducted off Redondo Beach, California.
7 June 1957 - LT, H. W. Peterson, USN, relieved of duty after serving as Skipper for 23 months, 23 days. LTGJ W. E. Kennedy, USN, took charge as new Skipper.
NOTE: LT.H. W. PETERSON WAS THE LONGEST SERVING SKIPPER OF THE MULBERRY - JUST ONE WEEK SHORT OF TWO YEARS.
13-17 June 1957 - Mine recovery services were rendered to CTG 59.5, in a mine sweeping exercise off Santa Rosa Island, California.
22-27 June 1957 - Mine recovery services were rendered to CTG 59.5, in a mine sweeping exercise off Santa Rosa Island, California.
19-20 July 1957 - Mine laying and recovery services were provided for the Los Angeles Naval Harbor Defense Unit off Long Beach, California.
6-7 August 1957 - Mine recovery services were rendered to CTG 59.5, in a mine sweeping exercise off Redondo Beach, California.
11-12 September 1957 - Mine recovery services were rendered to CTG 59.5, in a mine sweeping exercise off Redondo Beach, California.
14-23 October 1957 - Proceeded to San Francisco, California as a part of 59.2.7, to conduct intensive afloat training.
12-14 November 1957 - Mine drecovery and diving services were provided COMINDIV 72, off Seal Beach, California.
20 November 1957 - Vectoring Services were rendered to COMINDIV 93. Mulberry vectored LCU-1363 in a mine laying operation off Santa Monica, California.
22-23 November 1957 - Mine recovery services provided for COMINDIV 93, off Santa Monica, California. In addition to exercises and movements, Mulberry participated in several gunner, CIC, towing, and replenishment at sea exercises. It also spent a great deal of time and effort on Independent Ship Exercises. The exercises proved to be beneficial, for later, the ship was very successful in it's two operational rediness inspections which were held in Sand Diego, California.
2 December 1957 - The ship commenced it's regular overhaul, conducted at San Diego, California. At the completion of the overhaul on 5 February 1958, the ship conducted brief refresher training at San Diego following overhaul then returned to Long Beach. During overhaul the ship had been converted to bin stowarge for electrical and mechanical, as well as electronic spare parts. It also had a new auxiliary boiler, and a new ventilation system as well as a complete overhaul of it's main machinery and associated equipment. Mulberry also underwent several changes in her external appearance. Mine laying tracks were installed on each side of her stern. The 3'/50 caliber gun was removed to improve stability, leaving the ship with three 20MM single mounts.
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9 June - 3 July 1958 - Participated in mine laying and mine recovery operations of the Pacific Fleet Mine Exercise.
21 Augu;st 1958 - LTJG W. E. Kennedy, USN, relieved of duty after serving as Skipper for 13 months, 15 days. LTJG M. J. Fitzgerald, USN, took over as new Skipper.
13-17 September 1958 - Participated in Santa Barbara Channel, and Amphibious Landing Exercise at Camp Pendleton, California.
18-30 September 1958 - Land and Fleet Service Mine Test at Sna Nicholas Island.
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February 1959 - Mulberry escorted the USS SPOONBILL (MSC-202), from Long Beach to Latitude 21 degrees, 55' north, Longitude 111 degrees 05' west, (about 800 miles west), where she replenished and refueled Spoonbill for her onward trip to the Canal Zone.
24 April to 8 May 1959 - Mulberry participated in Pacific Fleet Mine Exercise 2-59, which was conducted off the coast of Camp Pendleton near Oceanside, California. Mulberry served as flagship on 26 and 27 April 1959, for Captain J. B. Gibson, USN, Commander Mine Squadron Seven and Commander of the exercise task group of 23 Ships including the four ships of Canadian Mine Squadron TWO. FORTUNE (MCB-151)(f) COWICHAN (MCB-162) MIRAMICHI (MCB-153) JAMES BAY (MCB-152) On 27 April, Mulberry dropped 80 depth charges in an experimental explosive acoustic sweep of the minefield. Following the depth charge drop, Rear Admiral C. R. Bergin, USN, Commander Mine Force, U. S. Pacific Fleet, came on board and broke his flag in Mulberry to observe the commencement of minesweeping operations. After a six-hour visit, Admiral Bergin transferred to MSB for return to Camp Del Mar.
25 May - 1 June 1959 - Participated in Amphibious Landing Exercise 17-59, as mine laying and mine recovery ship. 6 August - 23 October 1959 - In the Naval Repair Facility, San Diego. Scheduled for inactivation early in 1960. November 1965 - Taken out of Pacific Reserve Fleet, San Diego, California, and transferred to Ecuador on the Military Assistance Program. Ecuador renamed the ship to ORION (H-101). Re classified as a Survey ship and used by that country until 1 August 1978. 1981 - Disposed through the Security Assistance Program (SAP), transferred, cash sale, ex-U S Fleet Hull Foreign Military sale case number assigned.